Finding the Fourth Proportional to 1,598.26, 2,206.61 and 1,100.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,598.26 : 2,206.61 = 1,100.74 : x
2. Step 2: Convert to fraction form
   1,598.26/2,206.61 = 1,100.74/x
3. Step 3: Cross multiply
   1,598.26x = 2,206.61 × 1,100.74
4. Step 4: Simplify right side
   1,598.26x = 2,428,903.89
5. Step 5: Solve for x
   x = 2,428,903.89/1,598.26
6. Step 6: Final answer
   x = 1,519.72