Finding the Fourth Proportional to 131,699.22, 197,555.18 and 42,952.56

Step by Step Solution

1. Step 1: Write the proportion equation
   131,699.22 : 197,555.18 = 42,952.56 : x
2. Step 2: Convert to fraction form
   131,699.22/197,555.18 = 42,952.56/x
3. Step 3: Cross multiply
   131,699.22x = 197,555.18 × 42,952.56
4. Step 4: Simplify right side
   131,699.22x = 8,485,500,507.50
5. Step 5: Solve for x
   x = 8,485,500,507.50/131,699.22
6. Step 6: Final answer
   x = 64,430.91