Finding the Fourth Proportional to 22,931.54, 31,651.16 and 13,983.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,931.54 : 31,651.16 = 13,983.98 : x
2. Step 2: Convert to fraction form
   22,931.54/31,651.16 = 13,983.98/x
3. Step 3: Cross multiply
   22,931.54x = 31,651.16 × 13,983.98
4. Step 4: Simplify right side
   22,931.54x = 442,609,188.42
5. Step 5: Solve for x
   x = 442,609,188.42/22,931.54
6. Step 6: Final answer
   x = 19,301.33