Finding the Fourth Proportional to 19,008.72, 28,512.27 and 5,860.71

Step by Step Solution

1. Step 1: Write the proportion equation
   19,008.72 : 28,512.27 = 5,860.71 : x
2. Step 2: Convert to fraction form
   19,008.72/28,512.27 = 5,860.71/x
3. Step 3: Cross multiply
   19,008.72x = 28,512.27 × 5,860.71
4. Step 4: Simplify right side
   19,008.72x = 167,102,145.91
5. Step 5: Solve for x
   x = 167,102,145.91/19,008.72
6. Step 6: Final answer
   x = 8,790.82