Finding the Fourth Proportional to 3,937.30, 5,433.61 and 2,259.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,937.30 : 5,433.61 = 2,259.04 : x
2. Step 2: Convert to fraction form
   3,937.30/5,433.61 = 2,259.04/x
3. Step 3: Cross multiply
   3,937.30x = 5,433.61 × 2,259.04
4. Step 4: Simplify right side
   3,937.30x = 12,274,742.33
5. Step 5: Solve for x
   x = 12,274,742.33/3,937.30
6. Step 6: Final answer
   x = 3,117.55