Finding the Fourth Proportional to 3,674.52, 5,071.28 and 2,103.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,674.52 : 5,071.28 = 2,103.12 : x
2. Step 2: Convert to fraction form
   3,674.52/5,071.28 = 2,103.12/x
3. Step 3: Cross multiply
   3,674.52x = 5,071.28 × 2,103.12
4. Step 4: Simplify right side
   3,674.52x = 10,665,499.88
5. Step 5: Solve for x
   x = 10,665,499.88/3,674.52
6. Step 6: Final answer
   x = 2,902.56