Finding the Fourth Proportional to 142,663.78, 196,875.56 and 82,234.04

Step by Step Solution

1. Step 1: Write the proportion equation
   142,663.78 : 196,875.56 = 82,234.04 : x
2. Step 2: Convert to fraction form
   142,663.78/196,875.56 = 82,234.04/x
3. Step 3: Cross multiply
   142,663.78x = 196,875.56 × 82,234.04
4. Step 4: Simplify right side
   142,663.78x = 16,189,871,897.27
5. Step 5: Solve for x
   x = 16,189,871,897.27/142,663.78
6. Step 6: Final answer
   x = 113,482.71