Finding the Fourth Proportional to 2,598.55, 3,899.90 and 1,366.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598.55 : 3,899.90 = 1,366.69 : x
2. Step 2: Convert to fraction form
   2,598.55/3,899.90 = 1,366.69/x
3. Step 3: Cross multiply
   2,598.55x = 3,899.90 × 1,366.69
4. Step 4: Simplify right side
   2,598.55x = 5,329,954.33
5. Step 5: Solve for x
   x = 5,329,954.33/2,598.55
6. Step 6: Final answer
   x = 2,051.13