Finding the Fourth Proportional to 8,888.58, 12,266.37 and 5,350.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,888.58 : 12,266.37 = 5,350.50 : x
2. Step 2: Convert to fraction form
   8,888.58/12,266.37 = 5,350.50/x
3. Step 3: Cross multiply
   8,888.58x = 12,266.37 × 5,350.50
4. Step 4: Simplify right side
   8,888.58x = 65,631,212.69
5. Step 5: Solve for x
   x = 65,631,212.69/8,888.58
6. Step 6: Final answer
   x = 7,383.77