Finding the Fourth Proportional to 42,019.93, 63,039.69 and 13,937.93

Step by Step Solution

1. Step 1: Write the proportion equation
   42,019.93 : 63,039.69 = 13,937.93 : x
2. Step 2: Convert to fraction form
   42,019.93/63,039.69 = 13,937.93/x
3. Step 3: Cross multiply
   42,019.93x = 63,039.69 × 13,937.93
4. Step 4: Simplify right side
   42,019.93x = 878,642,786.44
5. Step 5: Solve for x
   x = 878,642,786.44/42,019.93
6. Step 6: Final answer
   x = 20,910.14