Finding the Fourth Proportional to 119,401.40, 164,770.53 and 64,951.85

Step by Step Solution

1. Step 1: Write the proportion equation
   119,401.40 : 164,770.53 = 64,951.85 : x
2. Step 2: Convert to fraction form
   119,401.40/164,770.53 = 64,951.85/x
3. Step 3: Cross multiply
   119,401.40x = 164,770.53 × 64,951.85
4. Step 4: Simplify right side
   119,401.40x = 10,702,150,748.98
5. Step 5: Solve for x
   x = 10,702,150,748.98/119,401.40
6. Step 6: Final answer
   x = 89,631.70