Finding the Fourth Proportional to 42,789.32, 59,039.25 and 25,789.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,789.32 : 59,039.25 = 25,789.04 : x
2. Step 2: Convert to fraction form
   42,789.32/59,039.25 = 25,789.04/x
3. Step 3: Cross multiply
   42,789.32x = 59,039.25 × 25,789.04
4. Step 4: Simplify right side
   42,789.32x = 1,522,565,579.82
5. Step 5: Solve for x
   x = 1,522,565,579.82/42,789.32
6. Step 6: Final answer
   x = 35,582.84