Finding the Fourth Proportional to 237,443,518.88, 356,123,390.18 and 91,757,309.30

Step by Step Solution

1. Step 1: Write the proportion equation
   237,443,518.88 : 356,123,390.18 = 91,757,309.30 : x
2. Step 2: Convert to fraction form
   237,443,518.88/356,123,390.18 = 91,757,309.30/x
3. Step 3: Cross multiply
   237,443,518.88x = 356,123,390.18 × 91,757,309.30
4. Step 4: Simplify right side
   237,443,518.88x = 32,676,924,059,471,440
5. Step 5: Solve for x
   x = 32,676,924,059,471,440/237,443,518.88
6. Step 6: Final answer
   x = 137,619,776.75