Finding the Fourth Proportional to 1,598.93, 2,205.50 and 1,100.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,598.93 : 2,205.50 = 1,100.69 : x
2. Step 2: Convert to fraction form
   1,598.93/2,205.50 = 1,100.69/x
3. Step 3: Cross multiply
   1,598.93x = 2,205.50 × 1,100.69
4. Step 4: Simplify right side
   1,598.93x = 2,427,571.80
5. Step 5: Solve for x
   x = 2,427,571.80/1,598.93
6. Step 6: Final answer
   x = 1,518.25