Finding the Fourth Proportional to 1,545.30, 2,132.60 and 846.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,545.30 : 2,132.60 = 846.72 : x
2. Step 2: Convert to fraction form
   1,545.30/2,132.60 = 846.72/x
3. Step 3: Cross multiply
   1,545.30x = 2,132.60 × 846.72
4. Step 4: Simplify right side
   1,545.30x = 1,805,710.84
5. Step 5: Solve for x
   x = 1,805,710.84/1,545.30
6. Step 6: Final answer
   x = 1,168.52