Finding the Fourth Proportional to 19,262.34, 28,894.50 and 5,412.42

Step by Step Solution

1. Step 1: Write the proportion equation
   19,262.34 : 28,894.50 = 5,412.42 : x
2. Step 2: Convert to fraction form
   19,262.34/28,894.50 = 5,412.42/x
3. Step 3: Cross multiply
   19,262.34x = 28,894.50 × 5,412.42
4. Step 4: Simplify right side
   19,262.34x = 156,389,169.69
5. Step 5: Solve for x
   x = 156,389,169.69/19,262.34
6. Step 6: Final answer
   x = 8,118.91