Finding the Fourth Proportional to 3,543.25, 5,322.71 and 2,312.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,543.25 : 5,322.71 = 2,312.59 : x
2. Step 2: Convert to fraction form
   3,543.25/5,322.71 = 2,312.59/x
3. Step 3: Cross multiply
   3,543.25x = 5,322.71 × 2,312.59
4. Step 4: Simplify right side
   3,543.25x = 12,309,245.92
5. Step 5: Solve for x
   x = 12,309,245.92/3,543.25
6. Step 6: Final answer
   x = 3,474.00