Finding the Fourth Proportional to 142,897.42, 197,153.55 and 82,460.12

Step by Step Solution

1. Step 1: Write the proportion equation
   142,897.42 : 197,153.55 = 82,460.12 : x
2. Step 2: Convert to fraction form
   142,897.42/197,153.55 = 82,460.12/x
3. Step 3: Cross multiply
   142,897.42x = 197,153.55 × 82,460.12
4. Step 4: Simplify right side
   142,897.42x = 16,257,305,884.31
5. Step 5: Solve for x
   x = 16,257,305,884.31/142,897.42
6. Step 6: Final answer
   x = 113,769.07