Finding the Fourth Proportional to 9,317.78, 12,858.77 and 5,069.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,317.78 : 12,858.77 = 5,069.08 : x
2. Step 2: Convert to fraction form
   9,317.78/12,858.77 = 5,069.08/x
3. Step 3: Cross multiply
   9,317.78x = 12,858.77 × 5,069.08
4. Step 4: Simplify right side
   9,317.78x = 65,182,146.50
5. Step 5: Solve for x
   x = 65,182,146.50/9,317.78
6. Step 6: Final answer
   x = 6,995.46