Finding the Fourth Proportional to 111,647.34, 154,076.20 and 60,659.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,647.34 : 154,076.20 = 60,659.56 : x
2. Step 2: Convert to fraction form
   111,647.34/154,076.20 = 60,659.56/x
3. Step 3: Cross multiply
   111,647.34x = 154,076.20 × 60,659.56
4. Step 4: Simplify right side
   111,647.34x = 9,346,194,498.47
5. Step 5: Solve for x
   x = 9,346,194,498.47/111,647.34
6. Step 6: Final answer
   x = 83,711.75