Finding the Fourth Proportional to 142,580, 196,812.32 and 82,964

Step by Step Solution

1. Step 1: Write the proportion equation
   142,580 : 196,812.32 = 82,964 : x
2. Step 2: Convert to fraction form
   142,580/196,812.32 = 82,964/x
3. Step 3: Cross multiply
   142,580x = 196,812.32 × 82,964
4. Step 4: Simplify right side
   142,580x = 16,328,337,316.48
5. Step 5: Solve for x
   x = 16,328,337,316.48/142,580
6. Step 6: Final answer
   x = 114,520.53