Finding the Fourth Proportional to 42,581.38, 58,759.48 and 25,586.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,581.38 : 58,759.48 = 25,586.34 : x
2. Step 2: Convert to fraction form
   42,581.38/58,759.48 = 25,586.34/x
3. Step 3: Cross multiply
   42,581.38x = 58,759.48 × 25,586.34
4. Step 4: Simplify right side
   42,581.38x = 1,503,440,033.50
5. Step 5: Solve for x
   x = 1,503,440,033.50/42,581.38
6. Step 6: Final answer
   x = 35,307.45