Finding the Fourth Proportional to 19,005.32, 26,227.30 and 10,621.82

Step by Step Solution

1. Step 1: Write the proportion equation
   19,005.32 : 26,227.30 = 10,621.82 : x
2. Step 2: Convert to fraction form
   19,005.32/26,227.30 = 10,621.82/x
3. Step 3: Cross multiply
   19,005.32x = 26,227.30 × 10,621.82
4. Step 4: Simplify right side
   19,005.32x = 278,581,659.69
5. Step 5: Solve for x
   x = 278,581,659.69/19,005.32
6. Step 6: Final answer
   x = 14,658.09