Finding the Fourth Proportional to 42,799.17, 59,081.78 and 25,577.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,799.17 : 59,081.78 = 25,577.62 : x
2. Step 2: Convert to fraction form
   42,799.17/59,081.78 = 25,577.62/x
3. Step 3: Cross multiply
   42,799.17x = 59,081.78 × 25,577.62
4. Step 4: Simplify right side
   42,799.17x = 1,511,171,106.12
5. Step 5: Solve for x
   x = 1,511,171,106.12/42,799.17
6. Step 6: Final answer
   x = 35,308.42