Finding the Fourth Proportional to 131,570.48, 197,366.52 and 42,800.96

Step by Step Solution

1. Step 1: Write the proportion equation
   131,570.48 : 197,366.52 = 42,800.96 : x
2. Step 2: Convert to fraction form
   131,570.48/197,366.52 = 42,800.96/x
3. Step 3: Cross multiply
   131,570.48x = 197,366.52 × 42,800.96
4. Step 4: Simplify right side
   131,570.48x = 8,447,476,527.86
5. Step 5: Solve for x
   x = 8,447,476,527.86/131,570.48
6. Step 6: Final answer
   x = 64,204.95