Finding the Fourth Proportional to 83,414.32, 115,074.90 and 65,561.22

Step by Step Solution

1. Step 1: Write the proportion equation
   83,414.32 : 115,074.90 = 65,561.22 : x
2. Step 2: Convert to fraction form
   83,414.32/115,074.90 = 65,561.22/x
3. Step 3: Cross multiply
   83,414.32x = 115,074.90 × 65,561.22
4. Step 4: Simplify right side
   83,414.32x = 7,544,450,835.38
5. Step 5: Solve for x
   x = 7,544,450,835.38/83,414.32
6. Step 6: Final answer
   x = 90,445.51