Finding the Fourth Proportional to 6,902.40, 10,345.62 and 3,196.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,902.40 : 10,345.62 = 3,196.88 : x
2. Step 2: Convert to fraction form
   6,902.40/10,345.62 = 3,196.88/x
3. Step 3: Cross multiply
   6,902.40x = 10,345.62 × 3,196.88
4. Step 4: Simplify right side
   6,902.40x = 33,073,653.94
5. Step 5: Solve for x
   x = 33,073,653.94/6,902.40
6. Step 6: Final answer
   x = 4,791.62