Finding the Fourth Proportional to 42,580.38, 58,758.10 and 25,585.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,580.38 : 58,758.10 = 25,585.34 : x
2. Step 2: Convert to fraction form
   42,580.38/58,758.10 = 25,585.34/x
3. Step 3: Cross multiply
   42,580.38x = 58,758.10 × 25,585.34
4. Step 4: Simplify right side
   42,580.38x = 1,503,345,966.25
5. Step 5: Solve for x
   x = 1,503,345,966.25/42,580.38
6. Step 6: Final answer
   x = 35,306.07