Finding the Fourth Proportional to 59,565.20, 82,081.50 and 42,521.36

Step by Step Solution

1. Step 1: Write the proportion equation
   59,565.20 : 82,081.50 = 42,521.36 : x
2. Step 2: Convert to fraction form
   59,565.20/82,081.50 = 42,521.36/x
3. Step 3: Cross multiply
   59,565.20x = 82,081.50 × 42,521.36
4. Step 4: Simplify right side
   59,565.20x = 3,490,217,010.84
5. Step 5: Solve for x
   x = 3,490,217,010.84/59,565.20
6. Step 6: Final answer
   x = 58,594.90