Finding the Fourth Proportional to 9,897.52, 13,658.24 and 5,916.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,897.52 : 13,658.24 = 5,916.28 : x
2. Step 2: Convert to fraction form
   9,897.52/13,658.24 = 5,916.28/x
3. Step 3: Cross multiply
   9,897.52x = 13,658.24 × 5,916.28
4. Step 4: Simplify right side
   9,897.52x = 80,805,972.15
5. Step 5: Solve for x
   x = 80,805,972.15/9,897.52
6. Step 6: Final answer
   x = 8,164.26