Finding the Fourth Proportional to 113,618.16, 156,774.78 and 68,285.34

Step by Step Solution

1. Step 1: Write the proportion equation
   113,618.16 : 156,774.78 = 68,285.34 : x
2. Step 2: Convert to fraction form
   113,618.16/156,774.78 = 68,285.34/x
3. Step 3: Cross multiply
   113,618.16x = 156,774.78 × 68,285.34
4. Step 4: Simplify right side
   113,618.16x = 10,705,419,155.73
5. Step 5: Solve for x
   x = 10,705,419,155.73/113,618.16
6. Step 6: Final answer
   x = 94,222.78