Finding the Fourth Proportional to 22,499.66, 31,048.16 and 13,550.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,499.66 : 31,048.16 = 13,550.06 : x
2. Step 2: Convert to fraction form
   22,499.66/31,048.16 = 13,550.06/x
3. Step 3: Cross multiply
   22,499.66x = 31,048.16 × 13,550.06
4. Step 4: Simplify right side
   22,499.66x = 420,704,430.89
5. Step 5: Solve for x
   x = 420,704,430.89/22,499.66
6. Step 6: Final answer
   x = 18,698.26