Finding the Fourth Proportional to 19,101.57, 28,633.71 and 8,011.59

Step by Step Solution

1. Step 1: Write the proportion equation
   19,101.57 : 28,633.71 = 8,011.59 : x
2. Step 2: Convert to fraction form
   19,101.57/28,633.71 = 8,011.59/x
3. Step 3: Cross multiply
   19,101.57x = 28,633.71 × 8,011.59
4. Step 4: Simplify right side
   19,101.57x = 229,401,544.70
5. Step 5: Solve for x
   x = 229,401,544.70/19,101.57
6. Step 6: Final answer
   x = 12,009.56