Finding the Fourth Proportional to 101,350.77, 139,863.15 and 56,029.91

Step by Step Solution

1. Step 1: Write the proportion equation
   101,350.77 : 139,863.15 = 56,029.91 : x
2. Step 2: Convert to fraction form
   101,350.77/139,863.15 = 56,029.91/x
3. Step 3: Cross multiply
   101,350.77x = 139,863.15 × 56,029.91
4. Step 4: Simplify right side
   101,350.77x = 7,836,519,007.50
5. Step 5: Solve for x
   x = 7,836,519,007.50/101,350.77
6. Step 6: Final answer
   x = 77,320.76