Finding the Fourth Proportional to 22,647.78, 31,253.88 and 13,214.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,647.78 : 31,253.88 = 13,214.52 : x
2. Step 2: Convert to fraction form
   22,647.78/31,253.88 = 13,214.52/x
3. Step 3: Cross multiply
   22,647.78x = 31,253.88 × 13,214.52
4. Step 4: Simplify right side
   22,647.78x = 413,005,022.34
5. Step 5: Solve for x
   x = 413,005,022.34/22,647.78
6. Step 6: Final answer
   x = 18,236.00