Finding the Fourth Proportional to 42,044.41, 63,050.86 and 13,959.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,044.41 : 63,050.86 = 13,959.28 : x
2. Step 2: Convert to fraction form
   42,044.41/63,050.86 = 13,959.28/x
3. Step 3: Cross multiply
   42,044.41x = 63,050.86 × 13,959.28
4. Step 4: Simplify right side
   42,044.41x = 880,144,608.98
5. Step 5: Solve for x
   x = 880,144,608.98/42,044.41
6. Step 6: Final answer
   x = 20,933.69