Finding the Fourth Proportional to 22,524.40, 31,078.52 and 13,448.00

Step by Step Solution

1. Step 1: Write the proportion equation
   22,524.40 : 31,078.52 = 13,448.00 : x
2. Step 2: Convert to fraction form
   22,524.40/31,078.52 = 13,448.00/x
3. Step 3: Cross multiply
   22,524.40x = 31,078.52 × 13,448.00
4. Step 4: Simplify right side
   22,524.40x = 417,944,045.12
5. Step 5: Solve for x
   x = 417,944,045.12/22,524.40
6. Step 6: Final answer
   x = 18,555.17