Finding the Fourth Proportional to 3,251.42, 4,870.72 and 2,152.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,251.42 : 4,870.72 = 2,152.46 : x
2. Step 2: Convert to fraction form
   3,251.42/4,870.72 = 2,152.46/x
3. Step 3: Cross multiply
   3,251.42x = 4,870.72 × 2,152.46
4. Step 4: Simplify right side
   3,251.42x = 10,484,029.97
5. Step 5: Solve for x
   x = 10,484,029.97/3,251.42
6. Step 6: Final answer
   x = 3,224.45