Finding the Fourth Proportional to 5,272.41, 7,909.71 and 2,152.43

Step by Step Solution

1. Step 1: Write the proportion equation
   5,272.41 : 7,909.71 = 2,152.43 : x
2. Step 2: Convert to fraction form
   5,272.41/7,909.71 = 2,152.43/x
3. Step 3: Cross multiply
   5,272.41x = 7,909.71 × 2,152.43
4. Step 4: Simplify right side
   5,272.41x = 17,025,097.10
5. Step 5: Solve for x
   x = 17,025,097.10/5,272.41
6. Step 6: Final answer
   x = 3,229.09