Finding the Fourth Proportional to 22,771.35, 31,423.23 and 12,700.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,771.35 : 31,423.23 = 12,700.62 : x
2. Step 2: Convert to fraction form
   22,771.35/31,423.23 = 12,700.62/x
3. Step 3: Cross multiply
   22,771.35x = 31,423.23 × 12,700.62
4. Step 4: Simplify right side
   22,771.35x = 399,094,503.40
5. Step 5: Solve for x
   x = 399,094,503.40/22,771.35
6. Step 6: Final answer
   x = 17,526.17