Finding the Fourth Proportional to 111,659.70, 154,090.96 and 60,672.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,659.70 : 154,090.96 = 60,672.56 : x
2. Step 2: Convert to fraction form
   111,659.70/154,090.96 = 60,672.56/x
3. Step 3: Cross multiply
   111,659.70x = 154,090.96 × 60,672.56
4. Step 4: Simplify right side
   111,659.70x = 9,349,093,016.06
5. Step 5: Solve for x
   x = 9,349,093,016.06/111,659.70
6. Step 6: Final answer
   x = 83,728.44