Finding the Fourth Proportional to 113,596.20, 156,774.42 and 68,288.94

Step by Step Solution

1. Step 1: Write the proportion equation
   113,596.20 : 156,774.42 = 68,288.94 : x
2. Step 2: Convert to fraction form
   113,596.20/156,774.42 = 68,288.94/x
3. Step 3: Cross multiply
   113,596.20x = 156,774.42 × 68,288.94
4. Step 4: Simplify right side
   113,596.20x = 10,705,958,960.91
5. Step 5: Solve for x
   x = 10,705,958,960.91/113,596.20
6. Step 6: Final answer
   x = 94,245.75