Finding the Fourth Proportional to 143,322, 197,787.72 and 79,662.48

Step by Step Solution

1. Step 1: Write the proportion equation
   143,322 : 197,787.72 = 79,662.48 : x
2. Step 2: Convert to fraction form
   143,322/197,787.72 = 79,662.48/x
3. Step 3: Cross multiply
   143,322x = 197,787.72 × 79,662.48
4. Step 4: Simplify right side
   143,322x = 15,756,260,288.75
5. Step 5: Solve for x
   x = 15,756,260,288.75/143,322
6. Step 6: Final answer
   x = 109,936.09