Finding the Fourth Proportional to 111,605.87, 154,017.23 and 60,619.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,605.87 : 154,017.23 = 60,619.10 : x
2. Step 2: Convert to fraction form
   111,605.87/154,017.23 = 60,619.10/x
3. Step 3: Cross multiply
   111,605.87x = 154,017.23 × 60,619.10
4. Step 4: Simplify right side
   111,605.87x = 9,336,384,793.91
5. Step 5: Solve for x
   x = 9,336,384,793.91/111,605.87
6. Step 6: Final answer
   x = 83,654.97