Finding the Fourth Proportional to 131,834.85, 197,587.78 and 64,311.22

Step by Step Solution

1. Step 1: Write the proportion equation
   131,834.85 : 197,587.78 = 64,311.22 : x
2. Step 2: Convert to fraction form
   131,834.85/197,587.78 = 64,311.22/x
3. Step 3: Cross multiply
   131,834.85x = 197,587.78 × 64,311.22
4. Step 4: Simplify right side
   131,834.85x = 12,707,111,188.89
5. Step 5: Solve for x
   x = 12,707,111,188.89/131,834.85
6. Step 6: Final answer
   x = 96,386.59