Finding the Fourth Proportional to 2,013.03, 2,778.59 and 1,304.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.03 : 2,778.59 = 1,304.91 : x
2. Step 2: Convert to fraction form
   2,013.03/2,778.59 = 1,304.91/x
3. Step 3: Cross multiply
   2,013.03x = 2,778.59 × 1,304.91
4. Step 4: Simplify right side
   2,013.03x = 3,625,803.35
5. Step 5: Solve for x
   x = 3,625,803.35/2,013.03
6. Step 6: Final answer
   x = 1,801.17