Finding the Fourth Proportional to 7,423.59, 10,245.50 and 4,279.80

Step by Step Solution

1. Step 1: Write the proportion equation
   7,423.59 : 10,245.50 = 4,279.80 : x
2. Step 2: Convert to fraction form
   7,423.59/10,245.50 = 4,279.80/x
3. Step 3: Cross multiply
   7,423.59x = 10,245.50 × 4,279.80
4. Step 4: Simplify right side
   7,423.59x = 43,848,618.27
5. Step 5: Solve for x
   x = 43,848,618.27/7,423.59
6. Step 6: Final answer
   x = 5,906.66