Finding the Fourth Proportional to 82,520.22, 113,870.03 and 65,565.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,520.22 : 113,870.03 = 65,565.50 : x
2. Step 2: Convert to fraction form
   82,520.22/113,870.03 = 65,565.50/x
3. Step 3: Cross multiply
   82,520.22x = 113,870.03 × 65,565.50
4. Step 4: Simplify right side
   82,520.22x = 7,465,945,379.71
5. Step 5: Solve for x
   x = 7,465,945,379.71/82,520.22
6. Step 6: Final answer
   x = 90,474.14