Finding the Fourth Proportional to 100,794,367.89, 139,103,218.61 and 61,103,571.52

Step by Step Solution

1. Step 1: Write the proportion equation
   100,794,367.89 : 139,103,218.61 = 61,103,571.52 : x
2. Step 2: Convert to fraction form
   100,794,367.89/139,103,218.61 = 61,103,571.52/x
3. Step 3: Cross multiply
   100,794,367.89x = 139,103,218.61 × 61,103,571.52
4. Step 4: Simplify right side
   100,794,367.89x = 8,499,703,466,497,812
5. Step 5: Solve for x
   x = 8,499,703,466,497,812/100,794,367.89
6. Step 6: Final answer
   x = 84,327,166.73