Finding the Fourth Proportional to 7,678.79, 10,597.59 and 4,322.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,678.79 : 10,597.59 = 4,322.42 : x
2. Step 2: Convert to fraction form
   7,678.79/10,597.59 = 4,322.42/x
3. Step 3: Cross multiply
   7,678.79x = 10,597.59 × 4,322.42
4. Step 4: Simplify right side
   7,678.79x = 45,807,234.97
5. Step 5: Solve for x
   x = 45,807,234.97/7,678.79
6. Step 6: Final answer
   x = 5,965.42