Finding the Fourth Proportional to 116,050.40, 160,136.88 and 68,318.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,050.40 : 160,136.88 = 68,318.72 : x
2. Step 2: Convert to fraction form
   116,050.40/160,136.88 = 68,318.72/x
3. Step 3: Cross multiply
   116,050.40x = 160,136.88 × 68,318.72
4. Step 4: Simplify right side
   116,050.40x = 10,940,346,666.39
5. Step 5: Solve for x
   x = 10,940,346,666.39/116,050.40
6. Step 6: Final answer
   x = 94,272.37