Finding the Fourth Proportional to 11,285.04, 16,931.34 and 5,440.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,285.04 : 16,931.34 = 5,440.98 : x
2. Step 2: Convert to fraction form
   11,285.04/16,931.34 = 5,440.98/x
3. Step 3: Cross multiply
   11,285.04x = 16,931.34 × 5,440.98
4. Step 4: Simplify right side
   11,285.04x = 92,123,082.31
5. Step 5: Solve for x
   x = 92,123,082.31/11,285.04
6. Step 6: Final answer
   x = 8,163.29