Finding the Fourth Proportional to 479,710,766.72, 662,001,079.56 and 259,694,192.72

Step by Step Solution

1. Step 1: Write the proportion equation
   479,710,766.72 : 662,001,079.56 = 259,694,192.72 : x
2. Step 2: Convert to fraction form
   479,710,766.72/662,001,079.56 = 259,694,192.72/x
3. Step 3: Cross multiply
   479,710,766.72x = 662,001,079.56 × 259,694,192.72
4. Step 4: Simplify right side
   479,710,766.72x = 171,917,835,936,102,688
5. Step 5: Solve for x
   x = 171,917,835,936,102,688/479,710,766.72
6. Step 6: Final answer
   x = 358,378,105.86