Finding the Fourth Proportional to 87,047.02, 119,342.57 and 85,472.38

Step by Step Solution

1. Step 1: Write the proportion equation
   87,047.02 : 119,342.57 = 85,472.38 : x
2. Step 2: Convert to fraction form
   87,047.02/119,342.57 = 85,472.38/x
3. Step 3: Cross multiply
   87,047.02x = 119,342.57 × 85,472.38
4. Step 4: Simplify right side
   87,047.02x = 10,200,493,493.22
5. Step 5: Solve for x
   x = 10,200,493,493.22/87,047.02
6. Step 6: Final answer
   x = 117,183.72