Finding the Fourth Proportional to 2,620.98, 3,617.58 and 1,502.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.98 : 3,617.58 = 1,502.57 : x
2. Step 2: Convert to fraction form
   2,620.98/3,617.58 = 1,502.57/x
3. Step 3: Cross multiply
   2,620.98x = 3,617.58 × 1,502.57
4. Step 4: Simplify right side
   2,620.98x = 5,435,649.09
5. Step 5: Solve for x
   x = 5,435,649.09/2,620.98
6. Step 6: Final answer
   x = 2,073.90