Finding the Fourth Proportional to 3,937.48, 5,434.46 and 2,259.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,937.48 : 5,434.46 = 2,259.98 : x
2. Step 2: Convert to fraction form
   3,937.48/5,434.46 = 2,259.98/x
3. Step 3: Cross multiply
   3,937.48x = 5,434.46 × 2,259.98
4. Step 4: Simplify right side
   3,937.48x = 12,281,790.15
5. Step 5: Solve for x
   x = 12,281,790.15/3,937.48
6. Step 6: Final answer
   x = 3,119.20