Finding the Fourth Proportional to 42,047.27, 63,078.66 and 12,060.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,047.27 : 63,078.66 = 12,060.24 : x
2. Step 2: Convert to fraction form
   42,047.27/63,078.66 = 12,060.24/x
3. Step 3: Cross multiply
   42,047.27x = 63,078.66 × 12,060.24
4. Step 4: Simplify right side
   42,047.27x = 760,743,778.48
5. Step 5: Solve for x
   x = 760,743,778.48/42,047.27
6. Step 6: Final answer
   x = 18,092.59