Finding the Fourth Proportional to 143,888.69, 198,568.86 and 79,365.34

Step by Step Solution

1. Step 1: Write the proportion equation
   143,888.69 : 198,568.86 = 79,365.34 : x
2. Step 2: Convert to fraction form
   143,888.69/198,568.86 = 79,365.34/x
3. Step 3: Cross multiply
   143,888.69x = 198,568.86 × 79,365.34
4. Step 4: Simplify right side
   143,888.69x = 15,759,485,087.31
5. Step 5: Solve for x
   x = 15,759,485,087.31/143,888.69
6. Step 6: Final answer
   x = 109,525.53