Finding the Fourth Proportional to 124,337.90, 186,561.98 and 65,159.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,337.90 : 186,561.98 = 65,159.50 : x
2. Step 2: Convert to fraction form
   124,337.90/186,561.98 = 65,159.50/x
3. Step 3: Cross multiply
   124,337.90x = 186,561.98 × 65,159.50
4. Step 4: Simplify right side
   124,337.90x = 12,156,285,010.01
5. Step 5: Solve for x
   x = 12,156,285,010.01/124,337.90
6. Step 6: Final answer
   x = 97,768.14