Finding the Fourth Proportional to 7,835.31, 11,757.56 and 2,908.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,835.31 : 11,757.56 = 2,908.42 : x
2. Step 2: Convert to fraction form
   7,835.31/11,757.56 = 2,908.42/x
3. Step 3: Cross multiply
   7,835.31x = 11,757.56 × 2,908.42
4. Step 4: Simplify right side
   7,835.31x = 34,195,878.72
5. Step 5: Solve for x
   x = 34,195,878.72/7,835.31
6. Step 6: Final answer
   x = 4,364.33