Finding the Fourth Proportional to 20,042.01, 27,674.32 and 12,875.48

Step by Step Solution

1. Step 1: Write the proportion equation
   20,042.01 : 27,674.32 = 12,875.48 : x
2. Step 2: Convert to fraction form
   20,042.01/27,674.32 = 12,875.48/x
3. Step 3: Cross multiply
   20,042.01x = 27,674.32 × 12,875.48
4. Step 4: Simplify right side
   20,042.01x = 356,320,086.89
5. Step 5: Solve for x
   x = 356,320,086.89/20,042.01
6. Step 6: Final answer
   x = 17,778.66