Finding the Fourth Proportional to 111,766.73, 154,231.86 and 64,023.15

Step by Step Solution

1. Step 1: Write the proportion equation
   111,766.73 : 154,231.86 = 64,023.15 : x
2. Step 2: Convert to fraction form
   111,766.73/154,231.86 = 64,023.15/x
3. Step 3: Cross multiply
   111,766.73x = 154,231.86 × 64,023.15
4. Step 4: Simplify right side
   111,766.73x = 9,874,409,785.82
5. Step 5: Solve for x
   x = 9,874,409,785.82/111,766.73
6. Step 6: Final answer
   x = 88,348.38