Finding the Fourth Proportional to 9,531.76, 13,153.82 and 5,340.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,531.76 : 13,153.82 = 5,340.04 : x
2. Step 2: Convert to fraction form
   9,531.76/13,153.82 = 5,340.04/x
3. Step 3: Cross multiply
   9,531.76x = 13,153.82 × 5,340.04
4. Step 4: Simplify right side
   9,531.76x = 70,241,924.95
5. Step 5: Solve for x
   x = 70,241,924.95/9,531.76
6. Step 6: Final answer
   x = 7,369.25