Finding the Fourth Proportional to 4,002.57, 5,523.72 and 2,210.28

Step by Step Solution

1. Step 1: Write the proportion equation
   4,002.57 : 5,523.72 = 2,210.28 : x
2. Step 2: Convert to fraction form
   4,002.57/5,523.72 = 2,210.28/x
3. Step 3: Cross multiply
   4,002.57x = 5,523.72 × 2,210.28
4. Step 4: Simplify right side
   4,002.57x = 12,208,967.84
5. Step 5: Solve for x
   x = 12,208,967.84/4,002.57
6. Step 6: Final answer
   x = 3,050.28