Finding the Fourth Proportional to 42,063.80, 63,082.04 and 13,976.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,063.80 : 63,082.04 = 13,976.31 : x
2. Step 2: Convert to fraction form
   42,063.80/63,082.04 = 13,976.31/x
3. Step 3: Cross multiply
   42,063.80x = 63,082.04 × 13,976.31
4. Step 4: Simplify right side
   42,063.80x = 881,654,198.88
5. Step 5: Solve for x
   x = 881,654,198.88/42,063.80
6. Step 6: Final answer
   x = 20,959.93