Finding the Fourth Proportional to 143,008.56, 197,354.14 and 82,584.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,008.56 : 197,354.14 = 82,584.50 : x
2. Step 2: Convert to fraction form
   143,008.56/197,354.14 = 82,584.50/x
3. Step 3: Cross multiply
   143,008.56x = 197,354.14 × 82,584.50
4. Step 4: Simplify right side
   143,008.56x = 16,298,391,781.60
5. Step 5: Solve for x
   x = 16,298,391,781.60/143,008.56
6. Step 6: Final answer
   x = 113,967.95