Finding the Fourth Proportional to 1,045.36, 1,569.17 and 607.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.36 : 1,569.17 = 607.10 : x
2. Step 2: Convert to fraction form
   1,045.36/1,569.17 = 607.10/x
3. Step 3: Cross multiply
   1,045.36x = 1,569.17 × 607.10
4. Step 4: Simplify right side
   1,045.36x = 952,636.78
5. Step 5: Solve for x
   x = 952,636.78/1,045.36
6. Step 6: Final answer
   x = 911.30