Finding the Fourth Proportional to 42,348.96, 58,443.12 and 25,578.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,348.96 : 58,443.12 = 25,578.72 : x
2. Step 2: Convert to fraction form
   42,348.96/58,443.12 = 25,578.72/x
3. Step 3: Cross multiply
   42,348.96x = 58,443.12 × 25,578.72
4. Step 4: Simplify right side
   42,348.96x = 1,494,900,202.41
5. Step 5: Solve for x
   x = 1,494,900,202.41/42,348.96
6. Step 6: Final answer
   x = 35,299.57