Finding the Fourth Proportional to 8,770.62, 12,103.59 and 5,368.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,770.62 : 12,103.59 = 5,368.20 : x
2. Step 2: Convert to fraction form
   8,770.62/12,103.59 = 5,368.20/x
3. Step 3: Cross multiply
   8,770.62x = 12,103.59 × 5,368.20
4. Step 4: Simplify right side
   8,770.62x = 64,974,491.84
5. Step 5: Solve for x
   x = 64,974,491.84/8,770.62
6. Step 6: Final answer
   x = 7,408.20