Finding the Fourth Proportional to 108,171.32, 149,275.71 and 60,424.25

Step by Step Solution

1. Step 1: Write the proportion equation
   108,171.32 : 149,275.71 = 60,424.25 : x
2. Step 2: Convert to fraction form
   108,171.32/149,275.71 = 60,424.25/x
3. Step 3: Cross multiply
   108,171.32x = 149,275.71 × 60,424.25
4. Step 4: Simplify right side
   108,171.32x = 9,019,872,073.59
5. Step 5: Solve for x
   x = 9,019,872,073.59/108,171.32
6. Step 6: Final answer
   x = 83,385.06