Finding the Fourth Proportional to 40,355.72, 60,533.56 and 14,042

Step by Step Solution

1. Step 1: Write the proportion equation
   40,355.72 : 60,533.56 = 14,042 : x
2. Step 2: Convert to fraction form
   40,355.72/60,533.56 = 14,042/x
3. Step 3: Cross multiply
   40,355.72x = 60,533.56 × 14,042
4. Step 4: Simplify right side
   40,355.72x = 850,012,249.52
5. Step 5: Solve for x
   x = 850,012,249.52/40,355.72
6. Step 6: Final answer
   x = 21,062.99