Finding the Fourth Proportional to 31,790.07, 47,690.37 and 10,732.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,790.07 : 47,690.37 = 10,732.10 : x
2. Step 2: Convert to fraction form
   31,790.07/47,690.37 = 10,732.10/x
3. Step 3: Cross multiply
   31,790.07x = 47,690.37 × 10,732.10
4. Step 4: Simplify right side
   31,790.07x = 511,817,581.43
5. Step 5: Solve for x
   x = 511,817,581.43/31,790.07
6. Step 6: Final answer
   x = 16,099.92