Finding the Fourth Proportional to 111,208.72, 153,469.56 and 60,908.08

Step by Step Solution

1. Step 1: Write the proportion equation
   111,208.72 : 153,469.56 = 60,908.08 : x
2. Step 2: Convert to fraction form
   111,208.72/153,469.56 = 60,908.08/x
3. Step 3: Cross multiply
   111,208.72x = 153,469.56 × 60,908.08
4. Step 4: Simplify right side
   111,208.72x = 9,347,536,238.04
5. Step 5: Solve for x
   x = 9,347,536,238.04/111,208.72
6. Step 6: Final answer
   x = 84,053.99