Finding the Fourth Proportional to 1,167.86, 1,752.06 and 551.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,167.86 : 1,752.06 = 551.24 : x
2. Step 2: Convert to fraction form
   1,167.86/1,752.06 = 551.24/x
3. Step 3: Cross multiply
   1,167.86x = 1,752.06 × 551.24
4. Step 4: Simplify right side
   1,167.86x = 965,805.55
5. Step 5: Solve for x
   x = 965,805.55/1,167.86
6. Step 6: Final answer
   x = 826.99