Finding the Fourth Proportional to 6,902.38, 9,525.72 and 3,917.08

Step by Step Solution

1. Step 1: Write the proportion equation
   6,902.38 : 9,525.72 = 3,917.08 : x
2. Step 2: Convert to fraction form
   6,902.38/9,525.72 = 3,917.08/x
3. Step 3: Cross multiply
   6,902.38x = 9,525.72 × 3,917.08
4. Step 4: Simplify right side
   6,902.38x = 37,313,007.30
5. Step 5: Solve for x
   x = 37,313,007.30/6,902.38
6. Step 6: Final answer
   x = 5,405.82