Finding the Fourth Proportional to 16,620.69, 24,931.17 and 4,933.91

Step by Step Solution

1. Step 1: Write the proportion equation
   16,620.69 : 24,931.17 = 4,933.91 : x
2. Step 2: Convert to fraction form
   16,620.69/24,931.17 = 4,933.91/x
3. Step 3: Cross multiply
   16,620.69x = 24,931.17 × 4,933.91
4. Step 4: Simplify right side
   16,620.69x = 123,008,024.32
5. Step 5: Solve for x
   x = 123,008,024.32/16,620.69
6. Step 6: Final answer
   x = 7,400.90