Finding the Fourth Proportional to 95,386.50, 131,668.71 and 81,903.60

Step by Step Solution

1. Step 1: Write the proportion equation
   95,386.50 : 131,668.71 = 81,903.60 : x
2. Step 2: Convert to fraction form
   95,386.50/131,668.71 = 81,903.60/x
3. Step 3: Cross multiply
   95,386.50x = 131,668.71 × 81,903.60
4. Step 4: Simplify right side
   95,386.50x = 10,784,140,698.01
5. Step 5: Solve for x
   x = 10,784,140,698.01/95,386.50
6. Step 6: Final answer
   x = 113,057.31