Finding the Fourth Proportional to 131,697.22, 197,552.18 and 42,950.56

Step by Step Solution

1. Step 1: Write the proportion equation
   131,697.22 : 197,552.18 = 42,950.56 : x
2. Step 2: Convert to fraction form
   131,697.22/197,552.18 = 42,950.56/x
3. Step 3: Cross multiply
   131,697.22x = 197,552.18 × 42,950.56
4. Step 4: Simplify right side
   131,697.22x = 8,484,976,760.22
5. Step 5: Solve for x
   x = 8,484,976,760.22/131,697.22
6. Step 6: Final answer
   x = 64,427.91