Finding the Fourth Proportional to 100,927,155.07, 139,279,535.03 and 54,517,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,927,155.07 : 139,279,535.03 = 54,517,429.50 : x
2. Step 2: Convert to fraction form
   100,927,155.07/139,279,535.03 = 54,517,429.50/x
3. Step 3: Cross multiply
   100,927,155.07x = 139,279,535.03 × 54,517,429.50
4. Step 4: Simplify right side
   100,927,155.07x = 7,593,162,231,404,801
5. Step 5: Solve for x
   x = 7,593,162,231,404,801/100,927,155.07
6. Step 6: Final answer
   x = 75,234,085.67