Finding the Fourth Proportional to 9,123.44, 12,581.94 and 5,760.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,123.44 : 12,581.94 = 5,760.44 : x
2. Step 2: Convert to fraction form
   9,123.44/12,581.94 = 5,760.44/x
3. Step 3: Cross multiply
   9,123.44x = 12,581.94 × 5,760.44
4. Step 4: Simplify right side
   9,123.44x = 72,477,510.45
5. Step 5: Solve for x
   x = 72,477,510.45/9,123.44
6. Step 6: Final answer
   x = 7,944.10