Finding the Fourth Proportional to 31,819.99, 47,730.12 and 10,760.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,819.99 : 47,730.12 = 10,760.15 : x
2. Step 2: Convert to fraction form
   31,819.99/47,730.12 = 10,760.15/x
3. Step 3: Cross multiply
   31,819.99x = 47,730.12 × 10,760.15
4. Step 4: Simplify right side
   31,819.99x = 513,583,250.72
5. Step 5: Solve for x
   x = 513,583,250.72/31,819.99
6. Step 6: Final answer
   x = 16,140.27