Finding the Fourth Proportional to 3,675.21, 5,071.63 and 2,081.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,675.21 : 5,071.63 = 2,081.83 : x
2. Step 2: Convert to fraction form
   3,675.21/5,071.63 = 2,081.83/x
3. Step 3: Cross multiply
   3,675.21x = 5,071.63 × 2,081.83
4. Step 4: Simplify right side
   3,675.21x = 10,558,264.65
5. Step 5: Solve for x
   x = 10,558,264.65/3,675.21
6. Step 6: Final answer
   x = 2,872.83