Finding the Fourth Proportional to 16,663.72, 24,990.96 and 4,974.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,663.72 : 24,990.96 = 4,974.16 : x
2. Step 2: Convert to fraction form
   16,663.72/24,990.96 = 4,974.16/x
3. Step 3: Cross multiply
   16,663.72x = 24,990.96 × 4,974.16
4. Step 4: Simplify right side
   16,663.72x = 124,309,033.59
5. Step 5: Solve for x
   x = 124,309,033.59/16,663.72
6. Step 6: Final answer
   x = 7,459.86