Finding the Fourth Proportional to 2,522.56, 3,488.88 and 2,260.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.56 : 3,488.88 = 2,260.48 : x
2. Step 2: Convert to fraction form
   2,522.56/3,488.88 = 2,260.48/x
3. Step 3: Cross multiply
   2,522.56x = 3,488.88 × 2,260.48
4. Step 4: Simplify right side
   2,522.56x = 7,886,543.46
5. Step 5: Solve for x
   x = 7,886,543.46/2,522.56
6. Step 6: Final answer
   x = 3,126.40