Finding the Fourth Proportional to 16,558.28, 24,840.90 and 4,870.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,558.28 : 24,840.90 = 4,870.52 : x
2. Step 2: Convert to fraction form
   16,558.28/24,840.90 = 4,870.52/x
3. Step 3: Cross multiply
   16,558.28x = 24,840.90 × 4,870.52
4. Step 4: Simplify right side
   16,558.28x = 120,988,100.27
5. Step 5: Solve for x
   x = 120,988,100.27/16,558.28
6. Step 6: Final answer
   x = 7,306.80