Finding the Fourth Proportional to 1,164.38, 1,747.17 and 587.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,164.38 : 1,747.17 = 587.25 : x
2. Step 2: Convert to fraction form
   1,164.38/1,747.17 = 587.25/x
3. Step 3: Cross multiply
   1,164.38x = 1,747.17 × 587.25
4. Step 4: Simplify right side
   1,164.38x = 1,026,025.58
5. Step 5: Solve for x
   x = 1,026,025.58/1,164.38
6. Step 6: Final answer
   x = 881.18