Finding the Fourth Proportional to 2,003.72, 2,764.94 and 1,374.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.72 : 2,764.94 = 1,374.80 : x
2. Step 2: Convert to fraction form
   2,003.72/2,764.94 = 1,374.80/x
3. Step 3: Cross multiply
   2,003.72x = 2,764.94 × 1,374.80
4. Step 4: Simplify right side
   2,003.72x = 3,801,218.81
5. Step 5: Solve for x
   x = 3,801,218.81/2,003.72
6. Step 6: Final answer
   x = 1,897.08