Finding the Fourth Proportional to 1,673.06, 2,309.58 and 1,114.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673.06 : 2,309.58 = 1,114.43 : x
2. Step 2: Convert to fraction form
   1,673.06/2,309.58 = 1,114.43/x
3. Step 3: Cross multiply
   1,673.06x = 2,309.58 × 1,114.43
4. Step 4: Simplify right side
   1,673.06x = 2,573,853.69
5. Step 5: Solve for x
   x = 2,573,853.69/1,673.06
6. Step 6: Final answer
   x = 1,538.42