Finding the Fourth Proportional to 2,003.76, 3,004.38 and 1,309.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.76 : 3,004.38 = 1,309.59 : x
2. Step 2: Convert to fraction form
   2,003.76/3,004.38 = 1,309.59/x
3. Step 3: Cross multiply
   2,003.76x = 3,004.38 × 1,309.59
4. Step 4: Simplify right side
   2,003.76x = 3,934,506.00
5. Step 5: Solve for x
   x = 3,934,506.00/2,003.76
6. Step 6: Final answer
   x = 1,963.56