Finding the Fourth Proportional to 12,001.89, 16,562.81 and 6,624.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,001.89 : 16,562.81 = 6,624.59 : x
2. Step 2: Convert to fraction form
   12,001.89/16,562.81 = 6,624.59/x
3. Step 3: Cross multiply
   12,001.89x = 16,562.81 × 6,624.59
4. Step 4: Simplify right side
   12,001.89x = 109,721,825.50
5. Step 5: Solve for x
   x = 109,721,825.50/12,001.89
6. Step 6: Final answer
   x = 9,142.05