Finding the Fourth Proportional to 143,012.24, 197,385.60 and 82,592.72

Step by Step Solution

1. Step 1: Write the proportion equation
   143,012.24 : 197,385.60 = 82,592.72 : x
2. Step 2: Convert to fraction form
   143,012.24/197,385.60 = 82,592.72/x
3. Step 3: Cross multiply
   143,012.24x = 197,385.60 × 82,592.72
4. Step 4: Simplify right side
   143,012.24x = 16,302,613,592.83
5. Step 5: Solve for x
   x = 16,302,613,592.83/143,012.24
6. Step 6: Final answer
   x = 113,994.53