Finding the Fourth Proportional to 2,337.34, 3,505.60 and 856.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,337.34 : 3,505.60 = 856.25 : x
2. Step 2: Convert to fraction form
   2,337.34/3,505.60 = 856.25/x
3. Step 3: Cross multiply
   2,337.34x = 3,505.60 × 856.25
4. Step 4: Simplify right side
   2,337.34x = 3,001,665.72
5. Step 5: Solve for x
   x = 3,001,665.72/2,337.34
6. Step 6: Final answer
   x = 1,284.22