Finding the Fourth Proportional to 107,022.30, 147,790.05 and 80,118.10

Step by Step Solution

1. Step 1: Write the proportion equation
   107,022.30 : 147,790.05 = 80,118.10 : x
2. Step 2: Convert to fraction form
   107,022.30/147,790.05 = 80,118.10/x
3. Step 3: Cross multiply
   107,022.30x = 147,790.05 × 80,118.10
4. Step 4: Simplify right side
   107,022.30x = 11,840,658,004.91
5. Step 5: Solve for x
   x = 11,840,658,004.91/107,022.30
6. Step 6: Final answer
   x = 110,637.30