Finding the Fourth Proportional to 72,086.99, 108,153.61 and 34,649.77

Step by Step Solution

1. Step 1: Write the proportion equation
   72,086.99 : 108,153.61 = 34,649.77 : x
2. Step 2: Convert to fraction form
   72,086.99/108,153.61 = 34,649.77/x
3. Step 3: Cross multiply
   72,086.99x = 108,153.61 × 34,649.77
4. Step 4: Simplify right side
   72,086.99x = 3,747,497,711.17
5. Step 5: Solve for x
   x = 3,747,497,711.17/72,086.99
6. Step 6: Final answer
   x = 51,985.77