Finding the Fourth Proportional to 42,108.04, 63,144.04 and 14,020.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,108.04 : 63,144.04 = 14,020.48 : x
2. Step 2: Convert to fraction form
   42,108.04/63,144.04 = 14,020.48/x
3. Step 3: Cross multiply
   42,108.04x = 63,144.04 × 14,020.48
4. Step 4: Simplify right side
   42,108.04x = 885,309,749.94
5. Step 5: Solve for x
   x = 885,309,749.94/42,108.04
6. Step 6: Final answer
   x = 21,024.72