Finding the Fourth Proportional to 42,577.35, 58,780.35 and 25,585.77

Step by Step Solution

1. Step 1: Write the proportion equation
   42,577.35 : 58,780.35 = 25,585.77 : x
2. Step 2: Convert to fraction form
   42,577.35/58,780.35 = 25,585.77/x
3. Step 3: Cross multiply
   42,577.35x = 58,780.35 × 25,585.77
4. Step 4: Simplify right side
   42,577.35x = 1,503,940,515.62
5. Step 5: Solve for x
   x = 1,503,940,515.62/42,577.35
6. Step 6: Final answer
   x = 35,322.55