Finding the Fourth Proportional to 1,045.02, 1,565.37 and 611.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.02 : 1,565.37 = 611.94 : x
2. Step 2: Convert to fraction form
   1,045.02/1,565.37 = 611.94/x
3. Step 3: Cross multiply
   1,045.02x = 1,565.37 × 611.94
4. Step 4: Simplify right side
   1,045.02x = 957,912.52
5. Step 5: Solve for x
   x = 957,912.52/1,045.02
6. Step 6: Final answer
   x = 916.65