Finding the Fourth Proportional to 1,938.72, 2,675.52 and 1,099.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938.72 : 2,675.52 = 1,099.47 : x
2. Step 2: Convert to fraction form
   1,938.72/2,675.52 = 1,099.47/x
3. Step 3: Cross multiply
   1,938.72x = 2,675.52 × 1,099.47
4. Step 4: Simplify right side
   1,938.72x = 2,941,653.97
5. Step 5: Solve for x
   x = 2,941,653.97/1,938.72
6. Step 6: Final answer
   x = 1,517.32