Finding the Fourth Proportional to 1,673.00, 2,308.74 and 1,009.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.00 : 2,308.74 = 1,009.72 : x
2. Step 2: Convert to fraction form
   1,673.00/2,308.74 = 1,009.72/x
3. Step 3: Cross multiply
   1,673.00x = 2,308.74 × 1,009.72
4. Step 4: Simplify right side
   1,673.00x = 2,331,182.74
5. Step 5: Solve for x
   x = 2,331,182.74/1,673.00
6. Step 6: Final answer
   x = 1,393.42