Finding the Fourth Proportional to 95,486.82, 131,722.41 and 64,861.50

Step by Step Solution

1. Step 1: Write the proportion equation
   95,486.82 : 131,722.41 = 64,861.50 : x
2. Step 2: Convert to fraction form
   95,486.82/131,722.41 = 64,861.50/x
3. Step 3: Cross multiply
   95,486.82x = 131,722.41 × 64,861.50
4. Step 4: Simplify right side
   95,486.82x = 8,543,713,096.22
5. Step 5: Solve for x
   x = 8,543,713,096.22/95,486.82
6. Step 6: Final answer
   x = 89,475.31