Finding the Fourth Proportional to 1,044.79, 1,565.56 and 927.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,044.79 : 1,565.56 = 927.89 : x
2. Step 2: Convert to fraction form
   1,044.79/1,565.56 = 927.89/x
3. Step 3: Cross multiply
   1,044.79x = 1,565.56 × 927.89
4. Step 4: Simplify right side
   1,044.79x = 1,452,667.47
5. Step 5: Solve for x
   x = 1,452,667.47/1,044.79
6. Step 6: Final answer
   x = 1,390.39