Finding the Fourth Proportional to 2,608.13, 3,599.56 and 1,488.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.13 : 3,599.56 = 1,488.81 : x
2. Step 2: Convert to fraction form
   2,608.13/3,599.56 = 1,488.81/x
3. Step 3: Cross multiply
   2,608.13x = 3,599.56 × 1,488.81
4. Step 4: Simplify right side
   2,608.13x = 5,359,053.48
5. Step 5: Solve for x
   x = 5,359,053.48/2,608.13
6. Step 6: Final answer
   x = 2,054.75