Finding the Fourth Proportional to 1,116.46, 1,674.76 and 294.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116.46 : 1,674.76 = 294.72 : x
2. Step 2: Convert to fraction form
   1,116.46/1,674.76 = 294.72/x
3. Step 3: Cross multiply
   1,116.46x = 1,674.76 × 294.72
4. Step 4: Simplify right side
   1,116.46x = 493,586.00
5. Step 5: Solve for x
   x = 493,586.00/1,116.46
6. Step 6: Final answer
   x = 442.10