Finding the Fourth Proportional to 49,424.50, 74,128.89 and 16,144.30

Step by Step Solution

1. Step 1: Write the proportion equation
   49,424.50 : 74,128.89 = 16,144.30 : x
2. Step 2: Convert to fraction form
   49,424.50/74,128.89 = 16,144.30/x
3. Step 3: Cross multiply
   49,424.50x = 74,128.89 × 16,144.30
4. Step 4: Simplify right side
   49,424.50x = 1,196,759,038.83
5. Step 5: Solve for x
   x = 1,196,759,038.83/49,424.50
6. Step 6: Final answer
   x = 24,213.88