Finding the Fourth Proportional to 1,938.96, 2,675.16 and 1,099.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938.96 : 2,675.16 = 1,099.59 : x
2. Step 2: Convert to fraction form
   1,938.96/2,675.16 = 1,099.59/x
3. Step 3: Cross multiply
   1,938.96x = 2,675.16 × 1,099.59
4. Step 4: Simplify right side
   1,938.96x = 2,941,583.72
5. Step 5: Solve for x
   x = 2,941,583.72/1,938.96
6. Step 6: Final answer
   x = 1,517.10