Finding the Fourth Proportional to 8,886.69, 12,263.60 and 5,350.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,886.69 : 12,263.60 = 5,350.10 : x
2. Step 2: Convert to fraction form
   8,886.69/12,263.60 = 5,350.10/x
3. Step 3: Cross multiply
   8,886.69x = 12,263.60 × 5,350.10
4. Step 4: Simplify right side
   8,886.69x = 65,611,438.42
5. Step 5: Solve for x
   x = 65,611,438.42/8,886.69
6. Step 6: Final answer
   x = 7,383.11