Finding the Fourth Proportional to 108,556.61, 149,790.71 and 60,811.97

Step by Step Solution

1. Step 1: Write the proportion equation
   108,556.61 : 149,790.71 = 60,811.97 : x
2. Step 2: Convert to fraction form
   108,556.61/149,790.71 = 60,811.97/x
3. Step 3: Cross multiply
   108,556.61x = 149,790.71 × 60,811.97
4. Step 4: Simplify right side
   108,556.61x = 9,109,067,858.74
5. Step 5: Solve for x
   x = 9,109,067,858.74/108,556.61
6. Step 6: Final answer
   x = 83,910.76