Finding the Fourth Proportional to 3,522.72, 4,861.31 and 2,125.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,522.72 : 4,861.31 = 2,125.47 : x
2. Step 2: Convert to fraction form
   3,522.72/4,861.31 = 2,125.47/x
3. Step 3: Cross multiply
   3,522.72x = 4,861.31 × 2,125.47
4. Step 4: Simplify right side
   3,522.72x = 10,332,568.57
5. Step 5: Solve for x
   x = 10,332,568.57/3,522.72
6. Step 6: Final answer
   x = 2,933.12