Finding the Fourth Proportional to 1,575.50, 2,174.18 and 867.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,575.50 : 2,174.18 = 867.38 : x
2. Step 2: Convert to fraction form
   1,575.50/2,174.18 = 867.38/x
3. Step 3: Cross multiply
   1,575.50x = 2,174.18 × 867.38
4. Step 4: Simplify right side
   1,575.50x = 1,885,825.04
5. Step 5: Solve for x
   x = 1,885,825.04/1,575.50
6. Step 6: Final answer
   x = 1,196.97