Finding the Fourth Proportional to 1,673.03, 2,308.70 and 1,043.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.03 : 2,308.70 = 1,043.51 : x
2. Step 2: Convert to fraction form
   1,673.03/2,308.70 = 1,043.51/x
3. Step 3: Cross multiply
   1,673.03x = 2,308.70 × 1,043.51
4. Step 4: Simplify right side
   1,673.03x = 2,409,142.60
5. Step 5: Solve for x
   x = 2,409,142.60/1,673.03
6. Step 6: Final answer
   x = 1,439.99