Finding the Fourth Proportional to 142,504.10, 196,638.37 and 82,094.30

Step by Step Solution

1. Step 1: Write the proportion equation
   142,504.10 : 196,638.37 = 82,094.30 : x
2. Step 2: Convert to fraction form
   142,504.10/196,638.37 = 82,094.30/x
3. Step 3: Cross multiply
   142,504.10x = 196,638.37 × 82,094.30
4. Step 4: Simplify right side
   142,504.10x = 16,142,889,338.29
5. Step 5: Solve for x
   x = 16,142,889,338.29/142,504.10
6. Step 6: Final answer
   x = 113,280.17