Finding the Fourth Proportional to 131,636.96, 197,417.76 and 42,898.22

Step by Step Solution

1. Step 1: Write the proportion equation
   131,636.96 : 197,417.76 = 42,898.22 : x
2. Step 2: Convert to fraction form
   131,636.96/197,417.76 = 42,898.22/x
3. Step 3: Cross multiply
   131,636.96x = 197,417.76 × 42,898.22
4. Step 4: Simplify right side
   131,636.96x = 8,468,870,500.39
5. Step 5: Solve for x
   x = 8,468,870,500.39/131,636.96
6. Step 6: Final answer
   x = 64,335.05