Finding the Fourth Proportional to 7,906.42, 10,910.72 and 4,369.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,906.42 : 10,910.72 = 4,369.78 : x
2. Step 2: Convert to fraction form
   7,906.42/10,910.72 = 4,369.78/x
3. Step 3: Cross multiply
   7,906.42x = 10,910.72 × 4,369.78
4. Step 4: Simplify right side
   7,906.42x = 47,677,446.04
5. Step 5: Solve for x
   x = 47,677,446.04/7,906.42
6. Step 6: Final answer
   x = 6,030.22