Finding the Fourth Proportional to 19,019.18, 28,535.52 and 8,488.24

Step by Step Solution

1. Step 1: Write the proportion equation
   19,019.18 : 28,535.52 = 8,488.24 : x
2. Step 2: Convert to fraction form
   19,019.18/28,535.52 = 8,488.24/x
3. Step 3: Cross multiply
   19,019.18x = 28,535.52 × 8,488.24
4. Step 4: Simplify right side
   19,019.18x = 242,216,342.28
5. Step 5: Solve for x
   x = 242,216,342.28/19,019.18
6. Step 6: Final answer
   x = 12,735.37