Finding the Fourth Proportional to 142,670.99, 196,885.58 and 82,241.30

Step by Step Solution

1. Step 1: Write the proportion equation
   142,670.99 : 196,885.58 = 82,241.30 : x
2. Step 2: Convert to fraction form
   142,670.99/196,885.58 = 82,241.30/x
3. Step 3: Cross multiply
   142,670.99x = 196,885.58 × 82,241.30
4. Step 4: Simplify right side
   142,670.99x = 16,192,124,654.82
5. Step 5: Solve for x
   x = 16,192,124,654.82/142,670.99
6. Step 6: Final answer
   x = 113,492.77