Finding the Fourth Proportional to 10,202.91, 15,304.56 and 2,807.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,202.91 : 15,304.56 = 2,807.34 : x
2. Step 2: Convert to fraction form
   10,202.91/15,304.56 = 2,807.34/x
3. Step 3: Cross multiply
   10,202.91x = 15,304.56 × 2,807.34
4. Step 4: Simplify right side
   10,202.91x = 42,965,103.47
5. Step 5: Solve for x
   x = 42,965,103.47/10,202.91
6. Step 6: Final answer
   x = 4,211.06