Finding the Fourth Proportional to 3,522.65, 5,274.72 and 2,831.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,522.65 : 5,274.72 = 2,831.69 : x
2. Step 2: Convert to fraction form
   3,522.65/5,274.72 = 2,831.69/x
3. Step 3: Cross multiply
   3,522.65x = 5,274.72 × 2,831.69
4. Step 4: Simplify right side
   3,522.65x = 14,936,385.06
5. Step 5: Solve for x
   x = 14,936,385.06/3,522.65
6. Step 6: Final answer
   x = 4,240.11