Finding the Fourth Proportional to 2,620.76, 3,616.54 and 1,544.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.76 : 3,616.54 = 1,544.02 : x
2. Step 2: Convert to fraction form
   2,620.76/3,616.54 = 1,544.02/x
3. Step 3: Cross multiply
   2,620.76x = 3,616.54 × 1,544.02
4. Step 4: Simplify right side
   2,620.76x = 5,583,997.19
5. Step 5: Solve for x
   x = 5,583,997.19/2,620.76
6. Step 6: Final answer
   x = 2,130.68