Finding the Fourth Proportional to 3,349.72, 5,005.34 and 2,554.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,349.72 : 5,005.34 = 2,554.69 : x
2. Step 2: Convert to fraction form
   3,349.72/5,005.34 = 2,554.69/x
3. Step 3: Cross multiply
   3,349.72x = 5,005.34 × 2,554.69
4. Step 4: Simplify right side
   3,349.72x = 12,787,092.04
5. Step 5: Solve for x
   x = 12,787,092.04/3,349.72
6. Step 6: Final answer
   x = 3,817.36