Finding the Fourth Proportional to 2,648.36, 3,973.82 and 1,873.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.36 : 3,973.82 = 1,873.34 : x
2. Step 2: Convert to fraction form
   2,648.36/3,973.82 = 1,873.34/x
3. Step 3: Cross multiply
   2,648.36x = 3,973.82 × 1,873.34
4. Step 4: Simplify right side
   2,648.36x = 7,444,306.59
5. Step 5: Solve for x
   x = 7,444,306.59/2,648.36
6. Step 6: Final answer
   x = 2,810.92