Finding the Fourth Proportional to 113,067.99, 156,022.27 and 65,336.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,067.99 : 156,022.27 = 65,336.72 : x
2. Step 2: Convert to fraction form
   113,067.99/156,022.27 = 65,336.72/x
3. Step 3: Cross multiply
   113,067.99x = 156,022.27 × 65,336.72
4. Step 4: Simplify right side
   113,067.99x = 10,193,982,425.30
5. Step 5: Solve for x
   x = 10,193,982,425.30/113,067.99
6. Step 6: Final answer
   x = 90,157.99