Finding the Fourth Proportional to 143,096.59, 197,482.49 and 82,669.78

Step by Step Solution

1. Step 1: Write the proportion equation
   143,096.59 : 197,482.49 = 82,669.78 : x
2. Step 2: Convert to fraction form
   143,096.59/197,482.49 = 82,669.78/x
3. Step 3: Cross multiply
   143,096.59x = 197,482.49 × 82,669.78
4. Step 4: Simplify right side
   143,096.59x = 16,325,834,002.15
5. Step 5: Solve for x
   x = 16,325,834,002.15/143,096.59
6. Step 6: Final answer
   x = 114,089.61