Finding the Fourth Proportional to 510,272,522.79, 765,520,412.31 and 165,261,025.59

Step by Step Solution

1. Step 1: Write the proportion equation
   510,272,522.79 : 765,520,412.31 = 165,261,025.59 : x
2. Step 2: Convert to fraction form
   510,272,522.79/765,520,412.31 = 165,261,025.59/x
3. Step 3: Cross multiply
   510,272,522.79x = 765,520,412.31 × 165,261,025.59
4. Step 4: Simplify right side
   510,272,522.79x = 126,510,688,448,430,256
5. Step 5: Solve for x
   x = 126,510,688,448,430,256/510,272,522.79
6. Step 6: Final answer
   x = 247,927,691.18