Finding the Fourth Proportional to 1,301.76, 1,794.42 and 928.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.76 : 1,794.42 = 928.08 : x
2. Step 2: Convert to fraction form
   1,301.76/1,794.42 = 928.08/x
3. Step 3: Cross multiply
   1,301.76x = 1,794.42 × 928.08
4. Step 4: Simplify right side
   1,301.76x = 1,665,365.31
5. Step 5: Solve for x
   x = 1,665,365.31/1,301.76
6. Step 6: Final answer
   x = 1,279.32