Finding the Fourth Proportional to 22,932.35, 31,647.71 and 13,368.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,932.35 : 31,647.71 = 13,368.78 : x
2. Step 2: Convert to fraction form
   22,932.35/31,647.71 = 13,368.78/x
3. Step 3: Cross multiply
   22,932.35x = 31,647.71 × 13,368.78
4. Step 4: Simplify right side
   22,932.35x = 423,091,305.92
5. Step 5: Solve for x
   x = 423,091,305.92/22,932.35
6. Step 6: Final answer
   x = 18,449.54