Finding the Fourth Proportional to 131,449.05, 197,247.38 and 52,569.42

Step by Step Solution

1. Step 1: Write the proportion equation
   131,449.05 : 197,247.38 = 52,569.42 : x
2. Step 2: Convert to fraction form
   131,449.05/197,247.38 = 52,569.42/x
3. Step 3: Cross multiply
   131,449.05x = 197,247.38 × 52,569.42
4. Step 4: Simplify right side
   131,449.05x = 10,369,180,100.27
5. Step 5: Solve for x
   x = 10,369,180,100.27/131,449.05
6. Step 6: Final answer
   x = 78,883.64