Finding the Fourth Proportional to 9,531.52, 13,153.46 and 5,339.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,531.52 : 13,153.46 = 5,339.76 : x
2. Step 2: Convert to fraction form
   9,531.52/13,153.46 = 5,339.76/x
3. Step 3: Cross multiply
   9,531.52x = 13,153.46 × 5,339.76
4. Step 4: Simplify right side
   9,531.52x = 70,236,319.57
5. Step 5: Solve for x
   x = 70,236,319.57/9,531.52
6. Step 6: Final answer
   x = 7,368.85