Finding the Fourth Proportional to 116,419.14, 160,622.28 and 67,986.12

Step by Step Solution

1. Step 1: Write the proportion equation
   116,419.14 : 160,622.28 = 67,986.12 : x
2. Step 2: Convert to fraction form
   116,419.14/160,622.28 = 67,986.12/x
3. Step 3: Cross multiply
   116,419.14x = 160,622.28 × 67,986.12
4. Step 4: Simplify right side
   116,419.14x = 10,920,085,883.61
5. Step 5: Solve for x
   x = 10,920,085,883.61/116,419.14
6. Step 6: Final answer
   x = 93,799.75