Finding the Fourth Proportional to 1,171.86, 1,758.56 and 624.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171.86 : 1,758.56 = 624.44 : x
2. Step 2: Convert to fraction form
   1,171.86/1,758.56 = 624.44/x
3. Step 3: Cross multiply
   1,171.86x = 1,758.56 × 624.44
4. Step 4: Simplify right side
   1,171.86x = 1,098,103.29
5. Step 5: Solve for x
   x = 1,098,103.29/1,171.86
6. Step 6: Final answer
   x = 937.06