Finding the Fourth Proportional to 108,747.58, 150,061.59 and 60,991.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,747.58 : 150,061.59 = 60,991.72 : x
2. Step 2: Convert to fraction form
   108,747.58/150,061.59 = 60,991.72/x
3. Step 3: Cross multiply
   108,747.58x = 150,061.59 × 60,991.72
4. Step 4: Simplify right side
   108,747.58x = 9,152,514,480.03
5. Step 5: Solve for x
   x = 9,152,514,480.03/108,747.58
6. Step 6: Final answer
   x = 84,162.93