Finding the Fourth Proportional to 113,697.97, 156,964.72 and 68,386.07

Step by Step Solution

1. Step 1: Write the proportion equation
   113,697.97 : 156,964.72 = 68,386.07 : x
2. Step 2: Convert to fraction form
   113,697.97/156,964.72 = 68,386.07/x
3. Step 3: Cross multiply
   113,697.97x = 156,964.72 × 68,386.07
4. Step 4: Simplify right side
   113,697.97x = 10,734,200,158.49
5. Step 5: Solve for x
   x = 10,734,200,158.49/113,697.97
6. Step 6: Final answer
   x = 94,409.78