Finding the Fourth Proportional to 42,139.82, 63,188.42 and 14,050.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,139.82 : 63,188.42 = 14,050.04 : x
2. Step 2: Convert to fraction form
   42,139.82/63,188.42 = 14,050.04/x
3. Step 3: Cross multiply
   42,139.82x = 63,188.42 × 14,050.04
4. Step 4: Simplify right side
   42,139.82x = 887,799,828.54
5. Step 5: Solve for x
   x = 887,799,828.54/42,139.82
6. Step 6: Final answer
   x = 21,067.95