Finding the Fourth Proportional to 108,643.24, 149,934.60 and 60,250.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,643.24 : 149,934.60 = 60,250.72 : x
2. Step 2: Convert to fraction form
   108,643.24/149,934.60 = 60,250.72/x
3. Step 3: Cross multiply
   108,643.24x = 149,934.60 × 60,250.72
4. Step 4: Simplify right side
   108,643.24x = 9,033,667,602.91
5. Step 5: Solve for x
   x = 9,033,667,602.91/108,643.24
6. Step 6: Final answer
   x = 83,149.84