Finding the Fourth Proportional to 1,545.38, 2,132.42 and 916.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,545.38 : 2,132.42 = 916.02 : x
2. Step 2: Convert to fraction form
   1,545.38/2,132.42 = 916.02/x
3. Step 3: Cross multiply
   1,545.38x = 2,132.42 × 916.02
4. Step 4: Simplify right side
   1,545.38x = 1,953,339.37
5. Step 5: Solve for x
   x = 1,953,339.37/1,545.38
6. Step 6: Final answer
   x = 1,263.99