Finding the Fourth Proportional to 2,003.36, 2,989.73 and 1,784.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.36 : 2,989.73 = 1,784.66 : x
2. Step 2: Convert to fraction form
   2,003.36/2,989.73 = 1,784.66/x
3. Step 3: Cross multiply
   2,003.36x = 2,989.73 × 1,784.66
4. Step 4: Simplify right side
   2,003.36x = 5,335,641.05
5. Step 5: Solve for x
   x = 5,335,641.05/2,003.36
6. Step 6: Final answer
   x = 2,663.35