Finding the Fourth Proportional to 111,206.72, 153,468.96 and 60,908.48

Step by Step Solution

1. Step 1: Write the proportion equation
   111,206.72 : 153,468.96 = 60,908.48 : x
2. Step 2: Convert to fraction form
   111,206.72/153,468.96 = 60,908.48/x
3. Step 3: Cross multiply
   111,206.72x = 153,468.96 × 60,908.48
4. Step 4: Simplify right side
   111,206.72x = 9,347,561,080.78
5. Step 5: Solve for x
   x = 9,347,561,080.78/111,206.72
6. Step 6: Final answer
   x = 84,055.72