Finding the Fourth Proportional to 7,423.91, 10,245.18 and 4,066.86

Step by Step Solution

1. Step 1: Write the proportion equation
   7,423.91 : 10,245.18 = 4,066.86 : x
2. Step 2: Convert to fraction form
   7,423.91/10,245.18 = 4,066.86/x
3. Step 3: Cross multiply
   7,423.91x = 10,245.18 × 4,066.86
4. Step 4: Simplify right side
   7,423.91x = 41,665,692.40
5. Step 5: Solve for x
   x = 41,665,692.40/7,423.91
6. Step 6: Final answer
   x = 5,612.37