Finding the Fourth Proportional to 1,545.31, 2,132.57 and 846.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,545.31 : 2,132.57 = 846.69 : x
2. Step 2: Convert to fraction form
   1,545.31/2,132.57 = 846.69/x
3. Step 3: Cross multiply
   1,545.31x = 2,132.57 × 846.69
4. Step 4: Simplify right side
   1,545.31x = 1,805,625.69
5. Step 5: Solve for x
   x = 1,805,625.69/1,545.31
6. Step 6: Final answer
   x = 1,168.46