Finding the Fourth Proportional to 5,182.31, 7,151.76 and 2,824.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,182.31 : 7,151.76 = 2,824.61 : x
2. Step 2: Convert to fraction form
   5,182.31/7,151.76 = 2,824.61/x
3. Step 3: Cross multiply
   5,182.31x = 7,151.76 × 2,824.61
4. Step 4: Simplify right side
   5,182.31x = 20,200,897.05
5. Step 5: Solve for x
   x = 20,200,897.05/5,182.31
6. Step 6: Final answer
   x = 3,898.05