Finding the Fourth Proportional to 80,971.56, 121,443.57 and 21,794.04

Step by Step Solution

1. Step 1: Write the proportion equation
   80,971.56 : 121,443.57 = 21,794.04 : x
2. Step 2: Convert to fraction form
   80,971.56/121,443.57 = 21,794.04/x
3. Step 3: Cross multiply
   80,971.56x = 121,443.57 × 21,794.04
4. Step 4: Simplify right side
   80,971.56x = 2,646,746,022.32
5. Step 5: Solve for x
   x = 2,646,746,022.32/80,971.56
6. Step 6: Final answer
   x = 32,687.35