Finding the Fourth Proportional to 100,900,795.91, 139,243,093.02 and 54,491,045.36

Step by Step Solution

1. Step 1: Write the proportion equation
   100,900,795.91 : 139,243,093.02 = 54,491,045.36 : x
2. Step 2: Convert to fraction form
   100,900,795.91/139,243,093.02 = 54,491,045.36/x
3. Step 3: Cross multiply
   100,900,795.91x = 139,243,093.02 × 54,491,045.36
4. Step 4: Simplify right side
   100,900,795.91x = 7,587,501,697,123,304
5. Step 5: Solve for x
   x = 7,587,501,697,123,304/100,900,795.91
6. Step 6: Final answer
   x = 75,197,639.71