Finding the Fourth Proportional to 1,673.31, 2,309.16 and 927.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.31 : 2,309.16 = 927.34 : x
2. Step 2: Convert to fraction form
   1,673.31/2,309.16 = 927.34/x
3. Step 3: Cross multiply
   1,673.31x = 2,309.16 × 927.34
4. Step 4: Simplify right side
   1,673.31x = 2,141,378.85
5. Step 5: Solve for x
   x = 2,141,378.85/1,673.31
6. Step 6: Final answer
   x = 1,279.73