Finding the Fourth Proportional to 3,426.57, 5,145.93 and 2,549.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,426.57 : 5,145.93 = 2,549.34 : x
2. Step 2: Convert to fraction form
   3,426.57/5,145.93 = 2,549.34/x
3. Step 3: Cross multiply
   3,426.57x = 5,145.93 × 2,549.34
4. Step 4: Simplify right side
   3,426.57x = 13,118,725.19
5. Step 5: Solve for x
   x = 13,118,725.19/3,426.57
6. Step 6: Final answer
   x = 3,828.53