Finding the Fourth Proportional to 22,684.40, 31,306.22 and 13,610.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,684.40 : 31,306.22 = 13,610.10 : x
2. Step 2: Convert to fraction form
   22,684.40/31,306.22 = 13,610.10/x
3. Step 3: Cross multiply
   22,684.40x = 31,306.22 × 13,610.10
4. Step 4: Simplify right side
   22,684.40x = 426,080,784.82
5. Step 5: Solve for x
   x = 426,080,784.82/22,684.40
6. Step 6: Final answer
   x = 18,782.99