Finding the Fourth Proportional to 108,429.50, 149,633.46 and 60,687.26

Step by Step Solution

1. Step 1: Write the proportion equation
   108,429.50 : 149,633.46 = 60,687.26 : x
2. Step 2: Convert to fraction form
   108,429.50/149,633.46 = 60,687.26/x
3. Step 3: Cross multiply
   108,429.50x = 149,633.46 × 60,687.26
4. Step 4: Simplify right side
   108,429.50x = 9,080,844,691.72
5. Step 5: Solve for x
   x = 9,080,844,691.72/108,429.50
6. Step 6: Final answer
   x = 83,748.84