Finding the Fourth Proportional to 42,149.82, 58,172.84 and 25,154.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,149.82 : 58,172.84 = 25,154.78 : x
2. Step 2: Convert to fraction form
   42,149.82/58,172.84 = 25,154.78/x
3. Step 3: Cross multiply
   42,149.82x = 58,172.84 × 25,154.78
4. Step 4: Simplify right side
   42,149.82x = 1,463,325,200.49
5. Step 5: Solve for x
   x = 1,463,325,200.49/42,149.82
6. Step 6: Final answer
   x = 34,717.23