Finding the Fourth Proportional to 110,100.80, 165,118.80 and 31,221.92

Step by Step Solution

1. Step 1: Write the proportion equation
   110,100.80 : 165,118.80 = 31,221.92 : x
2. Step 2: Convert to fraction form
   110,100.80/165,118.80 = 31,221.92/x
3. Step 3: Cross multiply
   110,100.80x = 165,118.80 × 31,221.92
4. Step 4: Simplify right side
   110,100.80x = 5,155,325,964.10
5. Step 5: Solve for x
   x = 5,155,325,964.10/110,100.80
6. Step 6: Final answer
   x = 46,823.69