Finding the Fourth Proportional to 1,045.42, 1,442.25 and 652.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.42 : 1,442.25 = 652.23 : x
2. Step 2: Convert to fraction form
   1,045.42/1,442.25 = 652.23/x
3. Step 3: Cross multiply
   1,045.42x = 1,442.25 × 652.23
4. Step 4: Simplify right side
   1,045.42x = 940,678.72
5. Step 5: Solve for x
   x = 940,678.72/1,045.42
6. Step 6: Final answer
   x = 899.81