Finding the Fourth Proportional to 1,673.60, 2,309.59 and 927.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.60 : 2,309.59 = 927.58 : x
2. Step 2: Convert to fraction form
   1,673.60/2,309.59 = 927.58/x
3. Step 3: Cross multiply
   1,673.60x = 2,309.59 × 927.58
4. Step 4: Simplify right side
   1,673.60x = 2,142,313.31
5. Step 5: Solve for x
   x = 2,142,313.31/1,673.60
6. Step 6: Final answer
   x = 1,280.06