Finding the Fourth Proportional to 5,275.89, 7,910.83 and 2,152.23

Step by Step Solution

1. Step 1: Write the proportion equation
   5,275.89 : 7,910.83 = 2,152.23 : x
2. Step 2: Convert to fraction form
   5,275.89/7,910.83 = 2,152.23/x
3. Step 3: Cross multiply
   5,275.89x = 7,910.83 × 2,152.23
4. Step 4: Simplify right side
   5,275.89x = 17,025,914.89
5. Step 5: Solve for x
   x = 17,025,914.89/5,275.89
6. Step 6: Final answer
   x = 3,227.12