Finding the Fourth Proportional to 6,528.42, 9,789.34 and 3,196.93

Step by Step Solution

1. Step 1: Write the proportion equation
   6,528.42 : 9,789.34 = 3,196.93 : x
2. Step 2: Convert to fraction form
   6,528.42/9,789.34 = 3,196.93/x
3. Step 3: Cross multiply
   6,528.42x = 9,789.34 × 3,196.93
4. Step 4: Simplify right side
   6,528.42x = 31,295,834.73
5. Step 5: Solve for x
   x = 31,295,834.73/6,528.42
6. Step 6: Final answer
   x = 4,793.78