Finding the Fourth Proportional to 113,566.74, 156,722.10 and 65,847.76

Step by Step Solution

1. Step 1: Write the proportion equation
   113,566.74 : 156,722.10 = 65,847.76 : x
2. Step 2: Convert to fraction form
   113,566.74/156,722.10 = 65,847.76/x
3. Step 3: Cross multiply
   113,566.74x = 156,722.10 × 65,847.76
4. Step 4: Simplify right side
   113,566.74x = 10,319,799,227.50
5. Step 5: Solve for x
   x = 10,319,799,227.50/113,566.74
6. Step 6: Final answer
   x = 90,869.91