Finding the Fourth Proportional to 8,770.39, 12,116.37 and 5,752.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,770.39 : 12,116.37 = 5,752.67 : x
2. Step 2: Convert to fraction form
   8,770.39/12,116.37 = 5,752.67/x
3. Step 3: Cross multiply
   8,770.39x = 12,116.37 × 5,752.67
4. Step 4: Simplify right side
   8,770.39x = 69,701,550.38
5. Step 5: Solve for x
   x = 69,701,550.38/8,770.39
6. Step 6: Final answer
   x = 7,947.37