Finding the Fourth Proportional to 42,432, 58,570.92 and 25,665.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,432 : 58,570.92 = 25,665.12 : x
2. Step 2: Convert to fraction form
   42,432/58,570.92 = 25,665.12/x
3. Step 3: Cross multiply
   42,432x = 58,570.92 × 25,665.12
4. Step 4: Simplify right side
   42,432x = 1,503,229,690.31
5. Step 5: Solve for x
   x = 1,503,229,690.31/42,432
6. Step 6: Final answer
   x = 35,426.79