Finding the Fourth Proportional to 1,673.16, 2,308.98 and 927.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.16 : 2,308.98 = 927.13 : x
2. Step 2: Convert to fraction form
   1,673.16/2,308.98 = 927.13/x
3. Step 3: Cross multiply
   1,673.16x = 2,308.98 × 927.13
4. Step 4: Simplify right side
   1,673.16x = 2,140,728.10
5. Step 5: Solve for x
   x = 2,140,728.10/1,673.16
6. Step 6: Final answer
   x = 1,279.45