Finding the Fourth Proportional to 1,274.37, 1,758.17 and 1,008.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,274.37 : 1,758.17 = 1,008.86 : x
2. Step 2: Convert to fraction form
   1,274.37/1,758.17 = 1,008.86/x
3. Step 3: Cross multiply
   1,274.37x = 1,758.17 × 1,008.86
4. Step 4: Simplify right side
   1,274.37x = 1,773,733.55
5. Step 5: Solve for x
   x = 1,773,733.55/1,274.37
6. Step 6: Final answer
   x = 1,391.85