Finding the Fourth Proportional to 56,123,738.34, 76,888,234.89 and 54,025,424.62

Step by Step Solution

1. Step 1: Write the proportion equation
   56,123,738.34 : 76,888,234.89 = 54,025,424.62 : x
2. Step 2: Convert to fraction form
   56,123,738.34/76,888,234.89 = 54,025,424.62/x
3. Step 3: Cross multiply
   56,123,738.34x = 76,888,234.89 × 54,025,424.62
4. Step 4: Simplify right side
   56,123,738.34x = 4,153,919,538,214,549
5. Step 5: Solve for x
   x = 4,153,919,538,214,549/56,123,738.34
6. Step 6: Final answer
   x = 74,013,593.20