Finding the Fourth Proportional to 33,701.81, 50,565.47 and 13,978.71

Step by Step Solution

1. Step 1: Write the proportion equation
   33,701.81 : 50,565.47 = 13,978.71 : x
2. Step 2: Convert to fraction form
   33,701.81/50,565.47 = 13,978.71/x
3. Step 3: Cross multiply
   33,701.81x = 50,565.47 × 13,978.71
4. Step 4: Simplify right side
   33,701.81x = 706,839,971.25
5. Step 5: Solve for x
   x = 706,839,971.25/33,701.81
6. Step 6: Final answer
   x = 20,973.36