Finding the Fourth Proportional to 1,105,909,100.01, 1,658,852,288.24 and 639,273,606.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,909,100.01 : 1,658,852,288.24 = 639,273,606.29 : x
2. Step 2: Convert to fraction form
   1,105,909,100.01/1,658,852,288.24 = 639,273,606.29/x
3. Step 3: Cross multiply
   1,105,909,100.01x = 1,658,852,288.24 × 639,273,606.29
4. Step 4: Simplify right side
   1,105,909,100.01x = 1,060,460,484,598,907,264
5. Step 5: Solve for x
   x = 1,060,460,484,598,907,264/1,105,909,100.01
6. Step 6: Final answer
   x = 958,903,841.73