Finding the Fourth Proportional to 22,658.31, 31,274.64 and 14,700.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,658.31 : 31,274.64 = 14,700.06 : x
2. Step 2: Convert to fraction form
   22,658.31/31,274.64 = 14,700.06/x
3. Step 3: Cross multiply
   22,658.31x = 31,274.64 × 14,700.06
4. Step 4: Simplify right side
   22,658.31x = 459,739,084.48
5. Step 5: Solve for x
   x = 459,739,084.48/22,658.31
6. Step 6: Final answer
   x = 20,290.09