Finding the Fourth Proportional to 1,691.31, 2,335.04 and 1,103.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691.31 : 2,335.04 = 1,103.52 : x
2. Step 2: Convert to fraction form
   1,691.31/2,335.04 = 1,103.52/x
3. Step 3: Cross multiply
   1,691.31x = 2,335.04 × 1,103.52
4. Step 4: Simplify right side
   1,691.31x = 2,576,746.15
5. Step 5: Solve for x
   x = 2,576,746.15/1,691.31
6. Step 6: Final answer
   x = 1,523.53