Finding the Fourth Proportional to 16,557.20, 24,836.00 and 4,870.65

Step by Step Solution

1. Step 1: Write the proportion equation
   16,557.20 : 24,836.00 = 4,870.65 : x
2. Step 2: Convert to fraction form
   16,557.20/24,836.00 = 4,870.65/x
3. Step 3: Cross multiply
   16,557.20x = 24,836.00 × 4,870.65
4. Step 4: Simplify right side
   16,557.20x = 120,967,439.05
5. Step 5: Solve for x
   x = 120,967,439.05/16,557.20
6. Step 6: Final answer
   x = 7,306.03