Finding the Fourth Proportional to 108,139.52, 149,210.88 and 60,385.52

Step by Step Solution

1. Step 1: Write the proportion equation
   108,139.52 : 149,210.88 = 60,385.52 : x
2. Step 2: Convert to fraction form
   108,139.52/149,210.88 = 60,385.52/x
3. Step 3: Cross multiply
   108,139.52x = 149,210.88 × 60,385.52
4. Step 4: Simplify right side
   108,139.52x = 9,010,175,832.40
5. Step 5: Solve for x
   x = 9,010,175,832.40/108,139.52
6. Step 6: Final answer
   x = 83,319.92