Finding the Fourth Proportional to 131,662.32, 197,455.78 and 42,923.56

Step by Step Solution

1. Step 1: Write the proportion equation
   131,662.32 : 197,455.78 = 42,923.56 : x
2. Step 2: Convert to fraction form
   131,662.32/197,455.78 = 42,923.56/x
3. Step 3: Cross multiply
   131,662.32x = 197,455.78 × 42,923.56
4. Step 4: Simplify right side
   131,662.32x = 8,475,505,020.18
5. Step 5: Solve for x
   x = 8,475,505,020.18/131,662.32
6. Step 6: Final answer
   x = 64,373.05