Finding the Fourth Proportional to 72,778.30, 109,130.69 and 22,167.68

Step by Step Solution

1. Step 1: Write the proportion equation
   72,778.30 : 109,130.69 = 22,167.68 : x
2. Step 2: Convert to fraction form
   72,778.30/109,130.69 = 22,167.68/x
3. Step 3: Cross multiply
   72,778.30x = 109,130.69 × 22,167.68
4. Step 4: Simplify right side
   72,778.30x = 2,419,173,723.86
5. Step 5: Solve for x
   x = 2,419,173,723.86/72,778.30
6. Step 6: Final answer
   x = 33,240.32