Finding the Fourth Proportional to 13,976.55, 19,288.73 and 8,009.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,976.55 : 19,288.73 = 8,009.69 : x
2. Step 2: Convert to fraction form
   13,976.55/19,288.73 = 8,009.69/x
3. Step 3: Cross multiply
   13,976.55x = 19,288.73 × 8,009.69
4. Step 4: Simplify right side
   13,976.55x = 154,496,671.37
5. Step 5: Solve for x
   x = 154,496,671.37/13,976.55
6. Step 6: Final answer
   x = 11,053.99