Finding the Fourth Proportional to 16,557.78, 24,840.15 and 4,870.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,557.78 : 24,840.15 = 4,870.02 : x
2. Step 2: Convert to fraction form
   16,557.78/24,840.15 = 4,870.02/x
3. Step 3: Cross multiply
   16,557.78x = 24,840.15 × 4,870.02
4. Step 4: Simplify right side
   16,557.78x = 120,972,027.30
5. Step 5: Solve for x
   x = 120,972,027.30/16,557.78
6. Step 6: Final answer
   x = 7,306.05