Finding the Fourth Proportional to 9,259.88, 12,778.72 and 5,068.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,259.88 : 12,778.72 = 5,068.22 : x
2. Step 2: Convert to fraction form
   9,259.88/12,778.72 = 5,068.22/x
3. Step 3: Cross multiply
   9,259.88x = 12,778.72 × 5,068.22
4. Step 4: Simplify right side
   9,259.88x = 64,765,287.71
5. Step 5: Solve for x
   x = 64,765,287.71/9,259.88
6. Step 6: Final answer
   x = 6,994.19