Finding the Fourth Proportional to 19,003.42, 28,500.14 and 5,673.28

Step by Step Solution

1. Step 1: Write the proportion equation
   19,003.42 : 28,500.14 = 5,673.28 : x
2. Step 2: Convert to fraction form
   19,003.42/28,500.14 = 5,673.28/x
3. Step 3: Cross multiply
   19,003.42x = 28,500.14 × 5,673.28
4. Step 4: Simplify right side
   19,003.42x = 161,689,274.26
5. Step 5: Solve for x
   x = 161,689,274.26/19,003.42
6. Step 6: Final answer
   x = 8,508.43