Finding the Fourth Proportional to 42,780.29, 59,024.72 and 25,550.61

Step by Step Solution

1. Step 1: Write the proportion equation
   42,780.29 : 59,024.72 = 25,550.61 : x
2. Step 2: Convert to fraction form
   42,780.29/59,024.72 = 25,550.61/x
3. Step 3: Cross multiply
   42,780.29x = 59,024.72 × 25,550.61
4. Step 4: Simplify right side
   42,780.29x = 1,508,117,473.33
5. Step 5: Solve for x
   x = 1,508,117,473.33/42,780.29
6. Step 6: Final answer
   x = 35,252.63