Finding the Fourth Proportional to 107,022.50, 147,790.33 and 80,118.30

Step by Step Solution

1. Step 1: Write the proportion equation
   107,022.50 : 147,790.33 = 80,118.30 : x
2. Step 2: Convert to fraction form
   107,022.50/147,790.33 = 80,118.30/x
3. Step 3: Cross multiply
   107,022.50x = 147,790.33 × 80,118.30
4. Step 4: Simplify right side
   107,022.50x = 11,840,710,800.62
5. Step 5: Solve for x
   x = 11,840,710,800.62/107,022.50
6. Step 6: Final answer
   x = 110,637.58