Finding the Fourth Proportional to 113,723.16, 156,939 and 65,977.32

Step by Step Solution

1. Step 1: Write the proportion equation
   113,723.16 : 156,939 = 65,977.32 : x
2. Step 2: Convert to fraction form
   113,723.16/156,939 = 65,977.32/x
3. Step 3: Cross multiply
   113,723.16x = 156,939 × 65,977.32
4. Step 4: Simplify right side
   113,723.16x = 10,354,414,623.48
5. Step 5: Solve for x
   x = 10,354,414,623.48/113,723.16
6. Step 6: Final answer
   x = 91,049.30