Finding the Fourth Proportional to 111,674.34, 154,111.55 and 60,687.06

Step by Step Solution

1. Step 1: Write the proportion equation
   111,674.34 : 154,111.55 = 60,687.06 : x
2. Step 2: Convert to fraction form
   111,674.34/154,111.55 = 60,687.06/x
3. Step 3: Cross multiply
   111,674.34x = 154,111.55 × 60,687.06
4. Step 4: Simplify right side
   111,674.34x = 9,352,576,578.11
5. Step 5: Solve for x
   x = 9,352,576,578.11/111,674.34
6. Step 6: Final answer
   x = 83,748.66