Finding the Fourth Proportional to 31,418.55, 47,132.89 and 10,352.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,418.55 : 47,132.89 = 10,352.48 : x
2. Step 2: Convert to fraction form
   31,418.55/47,132.89 = 10,352.48/x
3. Step 3: Cross multiply
   31,418.55x = 47,132.89 × 10,352.48
4. Step 4: Simplify right side
   31,418.55x = 487,942,039.52
5. Step 5: Solve for x
   x = 487,942,039.52/31,418.55
6. Step 6: Final answer
   x = 15,530.38