Finding the Fourth Proportional to 309,614,013.90, 427,171,147.98 and 175,629,848.10

Step by Step Solution

1. Step 1: Write the proportion equation
   309,614,013.90 : 427,171,147.98 = 175,629,848.10 : x
2. Step 2: Convert to fraction form
   309,614,013.90/427,171,147.98 = 175,629,848.10/x
3. Step 3: Cross multiply
   309,614,013.90x = 427,171,147.98 × 175,629,848.10
4. Step 4: Simplify right side
   309,614,013.90x = 75,024,003,832,430,016
5. Step 5: Solve for x
   x = 75,024,003,832,430,016/309,614,013.90
6. Step 6: Final answer
   x = 242,314,625.52