Finding the Fourth Proportional to 9,152.55, 13,711.23 and 5,443.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,152.55 : 13,711.23 = 5,443.47 : x
2. Step 2: Convert to fraction form
   9,152.55/13,711.23 = 5,443.47/x
3. Step 3: Cross multiply
   9,152.55x = 13,711.23 × 5,443.47
4. Step 4: Simplify right side
   9,152.55x = 74,636,669.17
5. Step 5: Solve for x
   x = 74,636,669.17/9,152.55
6. Step 6: Final answer
   x = 8,154.74