Finding the Fourth Proportional to 31,499.50, 47,256.54 and 10,723

Step by Step Solution

1. Step 1: Write the proportion equation
   31,499.50 : 47,256.54 = 10,723 : x
2. Step 2: Convert to fraction form
   31,499.50/47,256.54 = 10,723/x
3. Step 3: Cross multiply
   31,499.50x = 47,256.54 × 10,723
4. Step 4: Simplify right side
   31,499.50x = 506,731,878.42
5. Step 5: Solve for x
   x = 506,731,878.42/31,499.50
6. Step 6: Final answer
   x = 16,086.98