Finding the Fourth Proportional to 22,860.52, 31,534.82 and 13,299.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,860.52 : 31,534.82 = 13,299.32 : x
2. Step 2: Convert to fraction form
   22,860.52/31,534.82 = 13,299.32/x
3. Step 3: Cross multiply
   22,860.52x = 31,534.82 × 13,299.32
4. Step 4: Simplify right side
   22,860.52x = 419,391,662.32
5. Step 5: Solve for x
   x = 419,391,662.32/22,860.52
6. Step 6: Final answer
   x = 18,345.67