Finding the Fourth Proportional to 143,013.69, 197,363.33 and 79,357.41

Step by Step Solution

1. Step 1: Write the proportion equation
   143,013.69 : 197,363.33 = 79,357.41 : x
2. Step 2: Convert to fraction form
   143,013.69/197,363.33 = 79,357.41/x
3. Step 3: Cross multiply
   143,013.69x = 197,363.33 × 79,357.41
4. Step 4: Simplify right side
   143,013.69x = 15,662,242,300.99
5. Step 5: Solve for x
   x = 15,662,242,300.99/143,013.69
6. Step 6: Final answer
   x = 109,515.69