Finding the Fourth Proportional to 42,154.47, 58,168.18 and 25,155.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,154.47 : 58,168.18 = 25,155.56 : x
2. Step 2: Convert to fraction form
   42,154.47/58,168.18 = 25,155.56/x
3. Step 3: Cross multiply
   42,154.47x = 58,168.18 × 25,155.56
4. Step 4: Simplify right side
   42,154.47x = 1,463,253,142.08
5. Step 5: Solve for x
   x = 1,463,253,142.08/42,154.47
6. Step 6: Final answer
   x = 34,711.70