Finding the Fourth Proportional to 3,648.89, 5,037.78 and 2,529.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.89 : 5,037.78 = 2,529.42 : x
2. Step 2: Convert to fraction form
   3,648.89/5,037.78 = 2,529.42/x
3. Step 3: Cross multiply
   3,648.89x = 5,037.78 × 2,529.42
4. Step 4: Simplify right side
   3,648.89x = 12,742,661.49
5. Step 5: Solve for x
   x = 12,742,661.49/3,648.89
6. Step 6: Final answer
   x = 3,492.20