Finding the Fourth Proportional to 6,856.58, 10,282.34 and 3,345.57

Step by Step Solution

1. Step 1: Write the proportion equation
   6,856.58 : 10,282.34 = 3,345.57 : x
2. Step 2: Convert to fraction form
   6,856.58/10,282.34 = 3,345.57/x
3. Step 3: Cross multiply
   6,856.58x = 10,282.34 × 3,345.57
4. Step 4: Simplify right side
   6,856.58x = 34,400,296.60
5. Step 5: Solve for x
   x = 34,400,296.60/6,856.58
6. Step 6: Final answer
   x = 5,017.12