Finding the Fourth Proportional to 11,495.52, 17,234.49 and 5,251.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,495.52 : 17,234.49 = 5,251.20 : x
2. Step 2: Convert to fraction form
   11,495.52/17,234.49 = 5,251.20/x
3. Step 3: Cross multiply
   11,495.52x = 17,234.49 × 5,251.20
4. Step 4: Simplify right side
   11,495.52x = 90,501,753.89
5. Step 5: Solve for x
   x = 90,501,753.89/11,495.52
6. Step 6: Final answer
   x = 7,872.78