Finding the Fourth Proportional to 111,674.60, 154,111.56 and 60,687.74

Step by Step Solution

1. Step 1: Write the proportion equation
   111,674.60 : 154,111.56 = 60,687.74 : x
2. Step 2: Convert to fraction form
   111,674.60/154,111.56 = 60,687.74/x
3. Step 3: Cross multiply
   111,674.60x = 154,111.56 × 60,687.74
4. Step 4: Simplify right side
   111,674.60x = 9,352,682,284.27
5. Step 5: Solve for x
   x = 9,352,682,284.27/111,674.60
6. Step 6: Final answer
   x = 83,749.41