Finding the Fourth Proportional to 143,061.48, 197,422.38 and 79,401.96

Step by Step Solution

1. Step 1: Write the proportion equation
   143,061.48 : 197,422.38 = 79,401.96 : x
2. Step 2: Convert to fraction form
   143,061.48/197,422.38 = 79,401.96/x
3. Step 3: Cross multiply
   143,061.48x = 197,422.38 × 79,401.96
4. Step 4: Simplify right side
   143,061.48x = 15,675,723,919.86
5. Step 5: Solve for x
   x = 15,675,723,919.86/143,061.48
6. Step 6: Final answer
   x = 109,573.34