Finding the Fourth Proportional to 2,099,830,722,606, 2,898,232,569,091 and 1,276,592,752,631.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,830,722,606 : 2,898,232,569,091 = 1,276,592,752,631.50 : x
2. Step 2: Convert to fraction form
   2,099,830,722,606/2,898,232,569,091 = 1,276,592,752,631.50/x
3. Step 3: Cross multiply
   2,099,830,722,606x = 2,898,232,569,091 × 1,276,592,752,631.50
4. Step 4: Simplify right side
   2,099,830,722,606x = 3,699,862,693,142,143,789,170,688
5. Step 5: Solve for x
   x = 3,699,862,693,142,143,789,170,688/2,099,830,722,606
6. Step 6: Final answer
   x = 1,761,981,407,982.46