Finding the Fourth Proportional to 149,385.50, 206,156.31 and 82,321.82

Step by Step Solution

1. Step 1: Write the proportion equation
   149,385.50 : 206,156.31 = 82,321.82 : x
2. Step 2: Convert to fraction form
   149,385.50/206,156.31 = 82,321.82/x
3. Step 3: Cross multiply
   149,385.50x = 206,156.31 × 82,321.82
4. Step 4: Simplify right side
   149,385.50x = 16,971,162,643.68
5. Step 5: Solve for x
   x = 16,971,162,643.68/149,385.50
6. Step 6: Final answer
   x = 113,606.49