Finding the Fourth Proportional to 3,116.32, 4,300.23 and 2,528.26

Step by Step Solution

1. Step 1: Write the proportion equation
   3,116.32 : 4,300.23 = 2,528.26 : x
2. Step 2: Convert to fraction form
   3,116.32/4,300.23 = 2,528.26/x
3. Step 3: Cross multiply
   3,116.32x = 4,300.23 × 2,528.26
4. Step 4: Simplify right side
   3,116.32x = 10,872,099.50
5. Step 5: Solve for x
   x = 10,872,099.50/3,116.32
6. Step 6: Final answer
   x = 3,488.76