Finding the Fourth Proportional to 108,461.43, 149,679.90 and 60,714.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,461.43 : 149,679.90 = 60,714.50 : x
2. Step 2: Convert to fraction form
   108,461.43/149,679.90 = 60,714.50/x
3. Step 3: Cross multiply
   108,461.43x = 149,679.90 × 60,714.50
4. Step 4: Simplify right side
   108,461.43x = 9,087,739,540.15
5. Step 5: Solve for x
   x = 9,087,739,540.15/108,461.43
6. Step 6: Final answer
   x = 83,787.75