Finding the Fourth Proportional to 2,616.64, 3,606.24 and 2,541.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.64 : 3,606.24 = 2,541.76 : x
2. Step 2: Convert to fraction form
   2,616.64/3,606.24 = 2,541.76/x
3. Step 3: Cross multiply
   2,616.64x = 3,606.24 × 2,541.76
4. Step 4: Simplify right side
   2,616.64x = 9,166,196.58
5. Step 5: Solve for x
   x = 9,166,196.58/2,616.64
6. Step 6: Final answer
   x = 3,503.04