Finding the Fourth Proportional to 42,552, 58,721.76 and 25,781.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,552 : 58,721.76 = 25,781.76 : x
2. Step 2: Convert to fraction form
   42,552/58,721.76 = 25,781.76/x
3. Step 3: Cross multiply
   42,552x = 58,721.76 × 25,781.76
4. Step 4: Simplify right side
   42,552x = 1,513,950,323.10
5. Step 5: Solve for x
   x = 1,513,950,323.10/42,552
6. Step 6: Final answer
   x = 35,578.83