Finding the Fourth Proportional to 9,266.31, 12,788.82 and 5,908.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,266.31 : 12,788.82 = 5,908.05 : x
2. Step 2: Convert to fraction form
   9,266.31/12,788.82 = 5,908.05/x
3. Step 3: Cross multiply
   9,266.31x = 12,788.82 × 5,908.05
4. Step 4: Simplify right side
   9,266.31x = 75,556,988.00
5. Step 5: Solve for x
   x = 75,556,988.00/9,266.31
6. Step 6: Final answer
   x = 8,153.95