Finding the Fourth Proportional to 3,529.72, 4,870.24 and 2,132.44

Step by Step Solution

1. Step 1: Write the proportion equation
   3,529.72 : 4,870.24 = 2,132.44 : x
2. Step 2: Convert to fraction form
   3,529.72/4,870.24 = 2,132.44/x
3. Step 3: Cross multiply
   3,529.72x = 4,870.24 × 2,132.44
4. Step 4: Simplify right side
   3,529.72x = 10,385,494.59
5. Step 5: Solve for x
   x = 10,385,494.59/3,529.72
6. Step 6: Final answer
   x = 2,942.30