Finding the Fourth Proportional to 108,759.69, 150,088.59 and 61,012.98

Step by Step Solution

1. Step 1: Write the proportion equation
   108,759.69 : 150,088.59 = 61,012.98 : x
2. Step 2: Convert to fraction form
   108,759.69/150,088.59 = 61,012.98/x
3. Step 3: Cross multiply
   108,759.69x = 150,088.59 × 61,012.98
4. Step 4: Simplify right side
   108,759.69x = 9,157,352,139.90
5. Step 5: Solve for x
   x = 9,157,352,139.90/108,759.69
6. Step 6: Final answer
   x = 84,198.03