Finding the Fourth Proportional to 6,856.63, 9,462.18 and 3,712.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,856.63 : 9,462.18 = 3,712.84 : x
2. Step 2: Convert to fraction form
   6,856.63/9,462.18 = 3,712.84/x
3. Step 3: Cross multiply
   6,856.63x = 9,462.18 × 3,712.84
4. Step 4: Simplify right side
   6,856.63x = 35,131,560.39
5. Step 5: Solve for x
   x = 35,131,560.39/6,856.63
6. Step 6: Final answer
   x = 5,123.74