Finding the Fourth Proportional to 1,673.54, 2,309.51 and 927.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.54 : 2,309.51 = 927.53 : x
2. Step 2: Convert to fraction form
   1,673.54/2,309.51 = 927.53/x
3. Step 3: Cross multiply
   1,673.54x = 2,309.51 × 927.53
4. Step 4: Simplify right side
   1,673.54x = 2,142,123.63
5. Step 5: Solve for x
   x = 2,142,123.63/1,673.54
6. Step 6: Final answer
   x = 1,280.00