Finding the Fourth Proportional to 2,416.52, 3,625.69 and 856.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,416.52 : 3,625.69 = 856.46 : x
2. Step 2: Convert to fraction form
   2,416.52/3,625.69 = 856.46/x
3. Step 3: Cross multiply
   2,416.52x = 3,625.69 × 856.46
4. Step 4: Simplify right side
   2,416.52x = 3,105,258.46
5. Step 5: Solve for x
   x = 3,105,258.46/2,416.52
6. Step 6: Final answer
   x = 1,285.01