Finding the Fourth Proportional to 22,103.15, 33,188.00 and 19,016.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,103.15 : 33,188.00 = 19,016.78 : x
2. Step 2: Convert to fraction form
   22,103.15/33,188.00 = 19,016.78/x
3. Step 3: Cross multiply
   22,103.15x = 33,188.00 × 19,016.78
4. Step 4: Simplify right side
   22,103.15x = 631,128,633.62
5. Step 5: Solve for x
   x = 631,128,633.62/22,103.15
6. Step 6: Final answer
   x = 28,553.79