Finding the Fourth Proportional to 1,758.96, 2,430.57 and 1,673.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.96 : 2,430.57 = 1,673.55 : x
2. Step 2: Convert to fraction form
   1,758.96/2,430.57 = 1,673.55/x
3. Step 3: Cross multiply
   1,758.96x = 2,430.57 × 1,673.55
4. Step 4: Simplify right side
   1,758.96x = 4,067,680.42
5. Step 5: Solve for x
   x = 4,067,680.42/1,758.96
6. Step 6: Final answer
   x = 2,312.55