Finding the Fourth Proportional to 9,328.84, 12,875.56 and 5,352.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,328.84 : 12,875.56 = 5,352.55 : x
2. Step 2: Convert to fraction form
   9,328.84/12,875.56 = 5,352.55/x
3. Step 3: Cross multiply
   9,328.84x = 12,875.56 × 5,352.55
4. Step 4: Simplify right side
   9,328.84x = 68,917,033.11
5. Step 5: Solve for x
   x = 68,917,033.11/9,328.84
6. Step 6: Final answer
   x = 7,387.53