Finding the Fourth Proportional to 131,841.34, 197,597.52 and 64,317.72

Step by Step Solution

1. Step 1: Write the proportion equation
   131,841.34 : 197,597.52 = 64,317.72 : x
2. Step 2: Convert to fraction form
   131,841.34/197,597.52 = 64,317.72/x
3. Step 3: Cross multiply
   131,841.34x = 197,597.52 × 64,317.72
4. Step 4: Simplify right side
   131,841.34x = 12,709,021,964.05
5. Step 5: Solve for x
   x = 12,709,021,964.05/131,841.34
6. Step 6: Final answer
   x = 96,396.33