Finding the Fourth Proportional to 82,680.29, 123,922.02 and 57,584.48

Step by Step Solution

1. Step 1: Write the proportion equation
   82,680.29 : 123,922.02 = 57,584.48 : x
2. Step 2: Convert to fraction form
   82,680.29/123,922.02 = 57,584.48/x
3. Step 3: Cross multiply
   82,680.29x = 123,922.02 × 57,584.48
4. Step 4: Simplify right side
   82,680.29x = 7,135,985,082.25
5. Step 5: Solve for x
   x = 7,135,985,082.25/82,680.29
6. Step 6: Final answer
   x = 86,308.18