Finding the Fourth Proportional to 1,044.72, 1,566.83 and 314.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,044.72 : 1,566.83 = 314.34 : x
2. Step 2: Convert to fraction form
   1,044.72/1,566.83 = 314.34/x
3. Step 3: Cross multiply
   1,044.72x = 1,566.83 × 314.34
4. Step 4: Simplify right side
   1,044.72x = 492,515.77
5. Step 5: Solve for x
   x = 492,515.77/1,044.72
6. Step 6: Final answer
   x = 471.43