Finding the Fourth Proportional to 11,942.86, 16,476.78 and 7,225.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,942.86 : 16,476.78 = 7,225.42 : x
2. Step 2: Convert to fraction form
   11,942.86/16,476.78 = 7,225.42/x
3. Step 3: Cross multiply
   11,942.86x = 16,476.78 × 7,225.42
4. Step 4: Simplify right side
   11,942.86x = 119,051,655.75
5. Step 5: Solve for x
   x = 119,051,655.75/11,942.86
6. Step 6: Final answer
   x = 9,968.44