Finding the Fourth Proportional to 113,723.40, 156,977.46 and 68,426.76

Step by Step Solution

1. Step 1: Write the proportion equation
   113,723.40 : 156,977.46 = 68,426.76 : x
2. Step 2: Convert to fraction form
   113,723.40/156,977.46 = 68,426.76/x
3. Step 3: Cross multiply
   113,723.40x = 156,977.46 × 68,426.76
4. Step 4: Simplify right side
   113,723.40x = 10,741,458,980.83
5. Step 5: Solve for x
   x = 10,741,458,980.83/113,723.40
6. Step 6: Final answer
   x = 94,452.50