Finding the Fourth Proportional to 19,086.24, 28,634.20 and 5,938.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,086.24 : 28,634.20 = 5,938.72 : x
2. Step 2: Convert to fraction form
   19,086.24/28,634.20 = 5,938.72/x
3. Step 3: Cross multiply
   19,086.24x = 28,634.20 × 5,938.72
4. Step 4: Simplify right side
   19,086.24x = 170,050,496.22
5. Step 5: Solve for x
   x = 170,050,496.22/19,086.24
6. Step 6: Final answer
   x = 8,909.59