Finding the Fourth Proportional to 8,114.70, 12,158.85 and 7,337.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,114.70 : 12,158.85 = 7,337.10 : x
2. Step 2: Convert to fraction form
   8,114.70/12,158.85 = 7,337.10/x
3. Step 3: Cross multiply
   8,114.70x = 12,158.85 × 7,337.10
4. Step 4: Simplify right side
   8,114.70x = 89,210,698.34
5. Step 5: Solve for x
   x = 89,210,698.34/8,114.70
6. Step 6: Final answer
   x = 10,993.71