Finding the Fourth Proportional to 100,900,789.52, 139,243,084.22 and 54,491,038.97

Step by Step Solution

1. Step 1: Write the proportion equation
   100,900,789.52 : 139,243,084.22 = 54,491,038.97 : x
2. Step 2: Convert to fraction form
   100,900,789.52/139,243,084.22 = 54,491,038.97/x
3. Step 3: Cross multiply
   100,900,789.52x = 139,243,084.22 × 54,491,038.97
4. Step 4: Simplify right side
   100,900,789.52x = 7,587,500,328,610,664
5. Step 5: Solve for x
   x = 7,587,500,328,610,664/100,900,789.52
6. Step 6: Final answer
   x = 75,197,630.91