Finding the Fourth Proportional to 143,003.68, 197,354.42 and 82,576.87

Step by Step Solution

1. Step 1: Write the proportion equation
   143,003.68 : 197,354.42 = 82,576.87 : x
2. Step 2: Convert to fraction form
   143,003.68/197,354.42 = 82,576.87/x
3. Step 3: Cross multiply
   143,003.68x = 197,354.42 × 82,576.87
4. Step 4: Simplify right side
   143,003.68x = 16,296,910,152.15
5. Step 5: Solve for x
   x = 16,296,910,152.15/143,003.68
6. Step 6: Final answer
   x = 113,961.48