Finding the Fourth Proportional to 143,130.46, 197,526.20 and 79,468.25

Step by Step Solution

1. Step 1: Write the proportion equation
   143,130.46 : 197,526.20 = 79,468.25 : x
2. Step 2: Convert to fraction form
   143,130.46/197,526.20 = 79,468.25/x
3. Step 3: Cross multiply
   143,130.46x = 197,526.20 × 79,468.25
4. Step 4: Simplify right side
   143,130.46x = 15,697,061,443.15
5. Step 5: Solve for x
   x = 15,697,061,443.15/143,130.46
6. Step 6: Final answer
   x = 109,669.61