Finding the Fourth Proportional to 22,502.88, 31,048.72 and 13,065.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,502.88 : 31,048.72 = 13,065.76 : x
2. Step 2: Convert to fraction form
   22,502.88/31,048.72 = 13,065.76/x
3. Step 3: Cross multiply
   22,502.88x = 31,048.72 × 13,065.76
4. Step 4: Simplify right side
   22,502.88x = 405,675,123.83
5. Step 5: Solve for x
   x = 405,675,123.83/22,502.88
6. Step 6: Final answer
   x = 18,027.70