Finding the Fourth Proportional to 42,906.24, 59,217.48 and 25,011.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,906.24 : 59,217.48 = 25,011.72 : x
2. Step 2: Convert to fraction form
   42,906.24/59,217.48 = 25,011.72/x
3. Step 3: Cross multiply
   42,906.24x = 59,217.48 × 25,011.72
4. Step 4: Simplify right side
   42,906.24x = 1,481,131,028.87
5. Step 5: Solve for x
   x = 1,481,131,028.87/42,906.24
6. Step 6: Final answer
   x = 34,520.18