Finding the Fourth Proportional to 31,738.12, 47,613.86 and 12,016.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,738.12 : 47,613.86 = 12,016.24 : x
2. Step 2: Convert to fraction form
   31,738.12/47,613.86 = 12,016.24/x
3. Step 3: Cross multiply
   31,738.12x = 47,613.86 × 12,016.24
4. Step 4: Simplify right side
   31,738.12x = 572,139,509.01
5. Step 5: Solve for x
   x = 572,139,509.01/31,738.12
6. Step 6: Final answer
   x = 18,026.89