Finding the Fourth Proportional to 2,003.01, 2,765.52 and 1,305.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.01 : 2,765.52 = 1,305.60 : x
2. Step 2: Convert to fraction form
   2,003.01/2,765.52 = 1,305.60/x
3. Step 3: Cross multiply
   2,003.01x = 2,765.52 × 1,305.60
4. Step 4: Simplify right side
   2,003.01x = 3,610,662.91
5. Step 5: Solve for x
   x = 3,610,662.91/2,003.01
6. Step 6: Final answer
   x = 1,802.62