Finding the Fourth Proportional to 3,937.84, 5,434.71 and 2,259.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,937.84 : 5,434.71 = 2,259.52 : x
2. Step 2: Convert to fraction form
   3,937.84/5,434.71 = 2,259.52/x
3. Step 3: Cross multiply
   3,937.84x = 5,434.71 × 2,259.52
4. Step 4: Simplify right side
   3,937.84x = 12,279,835.94
5. Step 5: Solve for x
   x = 12,279,835.94/3,937.84
6. Step 6: Final answer
   x = 3,118.42