Finding the Fourth Proportional to 116,144.56, 160,291.74 and 68,396.89

Step by Step Solution

1. Step 1: Write the proportion equation
   116,144.56 : 160,291.74 = 68,396.89 : x
2. Step 2: Convert to fraction form
   116,144.56/160,291.74 = 68,396.89/x
3. Step 3: Cross multiply
   116,144.56x = 160,291.74 × 68,396.89
4. Step 4: Simplify right side
   116,144.56x = 10,963,456,508.69
5. Step 5: Solve for x
   x = 10,963,456,508.69/116,144.56
6. Step 6: Final answer
   x = 94,394.92