Finding the Fourth Proportional to 7,382.52, 10,171.98 and 5,391

Step by Step Solution

1. Step 1: Write the proportion equation
   7,382.52 : 10,171.98 = 5,391 : x
2. Step 2: Convert to fraction form
   7,382.52/10,171.98 = 5,391/x
3. Step 3: Cross multiply
   7,382.52x = 10,171.98 × 5,391
4. Step 4: Simplify right side
   7,382.52x = 54,837,144.18
5. Step 5: Solve for x
   x = 54,837,144.18/7,382.52
6. Step 6: Final answer
   x = 7,427.97