Finding the Fourth Proportional to 111,960.34, 154,498.23 and 61,659.34

Step by Step Solution

1. Step 1: Write the proportion equation
   111,960.34 : 154,498.23 = 61,659.34 : x
2. Step 2: Convert to fraction form
   111,960.34/154,498.23 = 61,659.34/x
3. Step 3: Cross multiply
   111,960.34x = 154,498.23 × 61,659.34
4. Step 4: Simplify right side
   111,960.34x = 9,526,258,506.72
5. Step 5: Solve for x
   x = 9,526,258,506.72/111,960.34
6. Step 6: Final answer
   x = 85,086.01