Finding the Fourth Proportional to 143,436.34, 197,938.65 and 82,998.60

Step by Step Solution

1. Step 1: Write the proportion equation
   143,436.34 : 197,938.65 = 82,998.60 : x
2. Step 2: Convert to fraction form
   143,436.34/197,938.65 = 82,998.60/x
3. Step 3: Cross multiply
   143,436.34x = 197,938.65 × 82,998.60
4. Step 4: Simplify right side
   143,436.34x = 16,428,630,835.89
5. Step 5: Solve for x
   x = 16,428,630,835.89/143,436.34
6. Step 6: Final answer
   x = 114,536.04