Finding the Fourth Proportional to 1,545.42, 2,132.70 and 846.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,545.42 : 2,132.70 = 846.81 : x
2. Step 2: Convert to fraction form
   1,545.42/2,132.70 = 846.81/x
3. Step 3: Cross multiply
   1,545.42x = 2,132.70 × 846.81
4. Step 4: Simplify right side
   1,545.42x = 1,805,991.69
5. Step 5: Solve for x
   x = 1,805,991.69/1,545.42
6. Step 6: Final answer
   x = 1,168.61