Finding the Fourth Proportional to 11,930.72, 16,462.98 and 6,624.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,930.72 : 16,462.98 = 6,624.18 : x
2. Step 2: Convert to fraction form
   11,930.72/16,462.98 = 6,624.18/x
3. Step 3: Cross multiply
   11,930.72x = 16,462.98 × 6,624.18
4. Step 4: Simplify right side
   11,930.72x = 109,053,742.86
5. Step 5: Solve for x
   x = 109,053,742.86/11,930.72
6. Step 6: Final answer
   x = 9,140.58