Finding the Fourth Proportional to 3,603.33, 4,972.91 and 2,031.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,603.33 : 4,972.91 = 2,031.72 : x
2. Step 2: Convert to fraction form
   3,603.33/4,972.91 = 2,031.72/x
3. Step 3: Cross multiply
   3,603.33x = 4,972.91 × 2,031.72
4. Step 4: Simplify right side
   3,603.33x = 10,103,550.55
5. Step 5: Solve for x
   x = 10,103,550.55/3,603.33
6. Step 6: Final answer
   x = 2,803.95