Finding the Fourth Proportional to 1,948.89, 2,689.29 and 1,109.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,948.89 : 2,689.29 = 1,109.37 : x
2. Step 2: Convert to fraction form
   1,948.89/2,689.29 = 1,109.37/x
3. Step 3: Cross multiply
   1,948.89x = 2,689.29 × 1,109.37
4. Step 4: Simplify right side
   1,948.89x = 2,983,417.65
5. Step 5: Solve for x
   x = 2,983,417.65/1,948.89
6. Step 6: Final answer
   x = 1,530.83