Finding the Fourth Proportional to 143,131.46, 197,527.58 and 79,469.25

Step by Step Solution

1. Step 1: Write the proportion equation
   143,131.46 : 197,527.58 = 79,469.25 : x
2. Step 2: Convert to fraction form
   143,131.46/197,527.58 = 79,469.25/x
3. Step 3: Cross multiply
   143,131.46x = 197,527.58 × 79,469.25
4. Step 4: Simplify right side
   143,131.46x = 15,697,368,636.92
5. Step 5: Solve for x
   x = 15,697,368,636.92/143,131.46
6. Step 6: Final answer
   x = 109,670.99