Finding the Fourth Proportional to 51,003.18, 76,514.49 and 19,836

Step by Step Solution

1. Step 1: Write the proportion equation
   51,003.18 : 76,514.49 = 19,836 : x
2. Step 2: Convert to fraction form
   51,003.18/76,514.49 = 19,836/x
3. Step 3: Cross multiply
   51,003.18x = 76,514.49 × 19,836
4. Step 4: Simplify right side
   51,003.18x = 1,517,741,423.64
5. Step 5: Solve for x
   x = 1,517,741,423.64/51,003.18
6. Step 6: Final answer
   x = 29,757.78