Finding the Fourth Proportional to 1,044.71, 1,566.61 and 314.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,044.71 : 1,566.61 = 314.15 : x
2. Step 2: Convert to fraction form
   1,044.71/1,566.61 = 314.15/x
3. Step 3: Cross multiply
   1,044.71x = 1,566.61 × 314.15
4. Step 4: Simplify right side
   1,044.71x = 492,153.66
5. Step 5: Solve for x
   x = 492,153.66/1,044.71
6. Step 6: Final answer
   x = 471.09