Finding the Fourth Proportional to 3,675.51, 5,071.41 and 2,103.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,675.51 : 5,071.41 = 2,103.30 : x
2. Step 2: Convert to fraction form
   3,675.51/5,071.41 = 2,103.30/x
3. Step 3: Cross multiply
   3,675.51x = 5,071.41 × 2,103.30
4. Step 4: Simplify right side
   3,675.51x = 10,666,696.65
5. Step 5: Solve for x
   x = 10,666,696.65/3,675.51
6. Step 6: Final answer
   x = 2,902.10