Finding the Fourth Proportional to 63,866.12, 88,221.30 and 57,904.52

Step by Step Solution

1. Step 1: Write the proportion equation
   63,866.12 : 88,221.30 = 57,904.52 : x
2. Step 2: Convert to fraction form
   63,866.12/88,221.30 = 57,904.52/x
3. Step 3: Cross multiply
   63,866.12x = 88,221.30 × 57,904.52
4. Step 4: Simplify right side
   63,866.12x = 5,108,412,030.28
5. Step 5: Solve for x
   x = 5,108,412,030.28/63,866.12
6. Step 6: Final answer
   x = 79,986.26