Finding the Fourth Proportional to 22,978.81, 31,713.08 and 14,031.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,978.81 : 31,713.08 = 14,031.55 : x
2. Step 2: Convert to fraction form
   22,978.81/31,713.08 = 14,031.55/x
3. Step 3: Cross multiply
   22,978.81x = 31,713.08 × 14,031.55
4. Step 4: Simplify right side
   22,978.81x = 444,983,667.67
5. Step 5: Solve for x
   x = 444,983,667.67/22,978.81
6. Step 6: Final answer
   x = 19,364.96