Finding the Fourth Proportional to 113,646.24, 156,866.22 and 65,911.32

Step by Step Solution

1. Step 1: Write the proportion equation
   113,646.24 : 156,866.22 = 65,911.32 : x
2. Step 2: Convert to fraction form
   113,646.24/156,866.22 = 65,911.32/x
3. Step 3: Cross multiply
   113,646.24x = 156,866.22 × 65,911.32
4. Step 4: Simplify right side
   113,646.24x = 10,339,259,623.61
5. Step 5: Solve for x
   x = 10,339,259,623.61/113,646.24
6. Step 6: Final answer
   x = 90,977.58