Finding the Fourth Proportional to 116,164.50, 160,282.29 and 68,400.42

Step by Step Solution

1. Step 1: Write the proportion equation
   116,164.50 : 160,282.29 = 68,400.42 : x
2. Step 2: Convert to fraction form
   116,164.50/160,282.29 = 68,400.42/x
3. Step 3: Cross multiply
   116,164.50x = 160,282.29 × 68,400.42
4. Step 4: Simplify right side
   116,164.50x = 10,963,375,954.56
5. Step 5: Solve for x
   x = 10,963,375,954.56/116,164.50
6. Step 6: Final answer
   x = 94,378.02