Finding the Fourth Proportional to 11,123.84, 15,318.24 and 9,944.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,123.84 : 15,318.24 = 9,944.48 : x
2. Step 2: Convert to fraction form
   11,123.84/15,318.24 = 9,944.48/x
3. Step 3: Cross multiply
   11,123.84x = 15,318.24 × 9,944.48
4. Step 4: Simplify right side
   11,123.84x = 152,331,931.32
5. Step 5: Solve for x
   x = 152,331,931.32/11,123.84
6. Step 6: Final answer
   x = 13,694.19