Finding the Fourth Proportional to 11,369.28, 17,045.98 and 5,040.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,369.28 : 17,045.98 = 5,040.72 : x
2. Step 2: Convert to fraction form
   11,369.28/17,045.98 = 5,040.72/x
3. Step 3: Cross multiply
   11,369.28x = 17,045.98 × 5,040.72
4. Step 4: Simplify right side
   11,369.28x = 85,924,012.31
5. Step 5: Solve for x
   x = 85,924,012.31/11,369.28
6. Step 6: Final answer
   x = 7,557.56