Finding the Fourth Proportional to 42,782.56, 59,042.16 and 25,792.21

Step by Step Solution

1. Step 1: Write the proportion equation
   42,782.56 : 59,042.16 = 25,792.21 : x
2. Step 2: Convert to fraction form
   42,782.56/59,042.16 = 25,792.21/x
3. Step 3: Cross multiply
   42,782.56x = 59,042.16 × 25,792.21
4. Step 4: Simplify right side
   42,782.56x = 1,522,827,789.57
5. Step 5: Solve for x
   x = 1,522,827,789.57/42,782.56
6. Step 6: Final answer
   x = 35,594.59