Finding the Fourth Proportional to 3,892.52, 5,371.72 and 2,124.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,892.52 : 5,371.72 = 2,124.23 : x
2. Step 2: Convert to fraction form
   3,892.52/5,371.72 = 2,124.23/x
3. Step 3: Cross multiply
   3,892.52x = 5,371.72 × 2,124.23
4. Step 4: Simplify right side
   3,892.52x = 11,410,736.61
5. Step 5: Solve for x
   x = 11,410,736.61/3,892.52
6. Step 6: Final answer
   x = 2,931.45