Finding the Fourth Proportional to 1,673.40, 2,308.96 and 927.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.40 : 2,308.96 = 927.32 : x
2. Step 2: Convert to fraction form
   1,673.40/2,308.96 = 927.32/x
3. Step 3: Cross multiply
   1,673.40x = 2,308.96 × 927.32
4. Step 4: Simplify right side
   1,673.40x = 2,141,144.79
5. Step 5: Solve for x
   x = 2,141,144.79/1,673.40
6. Step 6: Final answer
   x = 1,279.52