Finding the Fourth Proportional to 149,659.98, 206,530.35 and 82,591.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,659.98 : 206,530.35 = 82,591.50 : x
2. Step 2: Convert to fraction form
   149,659.98/206,530.35 = 82,591.50/x
3. Step 3: Cross multiply
   149,659.98x = 206,530.35 × 82,591.50
4. Step 4: Simplify right side
   149,659.98x = 17,057,651,402.03
5. Step 5: Solve for x
   x = 17,057,651,402.03/149,659.98
6. Step 6: Final answer
   x = 113,976.04