Finding the Fourth Proportional to 31,401.99, 47,109.92 and 10,348.53

Step by Step Solution

1. Step 1: Write the proportion equation
   31,401.99 : 47,109.92 = 10,348.53 : x
2. Step 2: Convert to fraction form
   31,401.99/47,109.92 = 10,348.53/x
3. Step 3: Cross multiply
   31,401.99x = 47,109.92 × 10,348.53
4. Step 4: Simplify right side
   31,401.99x = 487,518,420.42
5. Step 5: Solve for x
   x = 487,518,420.42/31,401.99
6. Step 6: Final answer
   x = 15,525.08