Finding the Fourth Proportional to 111,968.04, 154,516.07 and 60,981

Step by Step Solution

1. Step 1: Write the proportion equation
   111,968.04 : 154,516.07 = 60,981 : x
2. Step 2: Convert to fraction form
   111,968.04/154,516.07 = 60,981/x
3. Step 3: Cross multiply
   111,968.04x = 154,516.07 × 60,981
4. Step 4: Simplify right side
   111,968.04x = 9,422,544,159.77
5. Step 5: Solve for x
   x = 9,422,544,159.77/111,968.04
6. Step 6: Final answer
   x = 84,153.87