Finding the Fourth Proportional to 111,694.03, 154,138.61 and 60,706.78

Step by Step Solution

1. Step 1: Write the proportion equation
   111,694.03 : 154,138.61 = 60,706.78 : x
2. Step 2: Convert to fraction form
   111,694.03/154,138.61 = 60,706.78/x
3. Step 3: Cross multiply
   111,694.03x = 154,138.61 × 60,706.78
4. Step 4: Simplify right side
   111,694.03x = 9,357,258,686.78
5. Step 5: Solve for x
   x = 9,357,258,686.78/111,694.03
6. Step 6: Final answer
   x = 83,775.82