Finding the Fourth Proportional to 31,700.27, 43,746.62 and 18,271.49

Step by Step Solution

1. Step 1: Write the proportion equation
   31,700.27 : 43,746.62 = 18,271.49 : x
2. Step 2: Convert to fraction form
   31,700.27/43,746.62 = 18,271.49/x
3. Step 3: Cross multiply
   31,700.27x = 43,746.62 × 18,271.49
4. Step 4: Simplify right side
   31,700.27x = 799,315,619.77
5. Step 5: Solve for x
   x = 799,315,619.77/31,700.27
6. Step 6: Final answer
   x = 25,214.79