Finding the Fourth Proportional to 111,709.87, 154,159.31 and 60,722.60

Step by Step Solution

1. Step 1: Write the proportion equation
   111,709.87 : 154,159.31 = 60,722.60 : x
2. Step 2: Convert to fraction form
   111,709.87/154,159.31 = 60,722.60/x
3. Step 3: Cross multiply
   111,709.87x = 154,159.31 × 60,722.60
4. Step 4: Simplify right side
   111,709.87x = 9,360,953,498.42
5. Step 5: Solve for x
   x = 9,360,953,498.42/111,709.87
6. Step 6: Final answer
   x = 83,797.02