Finding the Fourth Proportional to 142,677, 196,893.84 and 82,247.31

Step by Step Solution

1. Step 1: Write the proportion equation
   142,677 : 196,893.84 = 82,247.31 : x
2. Step 2: Convert to fraction form
   142,677/196,893.84 = 82,247.31/x
3. Step 3: Cross multiply
   142,677x = 196,893.84 × 82,247.31
4. Step 4: Simplify right side
   142,677x = 16,193,988,695.57
5. Step 5: Solve for x
   x = 16,193,988,695.57/142,677
6. Step 6: Final answer
   x = 113,501.05