Finding the Fourth Proportional to 82,582.11, 123,869.52 and 57,548.25

Step by Step Solution

1. Step 1: Write the proportion equation
   82,582.11 : 123,869.52 = 57,548.25 : x
2. Step 2: Convert to fraction form
   82,582.11/123,869.52 = 57,548.25/x
3. Step 3: Cross multiply
   82,582.11x = 123,869.52 × 57,548.25
4. Step 4: Simplify right side
   82,582.11x = 7,128,474,104.34
5. Step 5: Solve for x
   x = 7,128,474,104.34/82,582.11
6. Step 6: Final answer
   x = 86,319.83