Finding the Fourth Proportional to 22,944.52, 31,663.46 and 13,390.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,944.52 : 31,663.46 = 13,390.96 : x
2. Step 2: Convert to fraction form
   22,944.52/31,663.46 = 13,390.96/x
3. Step 3: Cross multiply
   22,944.52x = 31,663.46 × 13,390.96
4. Step 4: Simplify right side
   22,944.52x = 424,004,126.32
5. Step 5: Solve for x
   x = 424,004,126.32/22,944.52
6. Step 6: Final answer
   x = 18,479.54