Finding the Fourth Proportional to 10,228.49, 15,342.83 and 3,654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,228.49 : 15,342.83 = 3,654.72 : x
2. Step 2: Convert to fraction form
   10,228.49/15,342.83 = 3,654.72/x
3. Step 3: Cross multiply
   10,228.49x = 15,342.83 × 3,654.72
4. Step 4: Simplify right side
   10,228.49x = 56,073,729.38
5. Step 5: Solve for x
   x = 56,073,729.38/10,228.49
6. Step 6: Final answer
   x = 5,482.11