Finding the Fourth Proportional to 7,771.59, 10,724.89 and 4,234.79

Step by Step Solution

1. Step 1: Write the proportion equation
   7,771.59 : 10,724.89 = 4,234.79 : x
2. Step 2: Convert to fraction form
   7,771.59/10,724.89 = 4,234.79/x
3. Step 3: Cross multiply
   7,771.59x = 10,724.89 × 4,234.79
4. Step 4: Simplify right side
   7,771.59x = 45,417,656.92
5. Step 5: Solve for x
   x = 45,417,656.92/7,771.59
6. Step 6: Final answer
   x = 5,844.06