Finding the Fourth Proportional to 11,700.22, 16,147.74 and 7,399.62

Step by Step Solution

1. Step 1: Write the proportion equation
   11,700.22 : 16,147.74 = 7,399.62 : x
2. Step 2: Convert to fraction form
   11,700.22/16,147.74 = 7,399.62/x
3. Step 3: Cross multiply
   11,700.22x = 16,147.74 × 7,399.62
4. Step 4: Simplify right side
   11,700.22x = 119,487,139.86
5. Step 5: Solve for x
   x = 119,487,139.86/11,700.22
6. Step 6: Final answer
   x = 10,212.38