Finding the Fourth Proportional to 22,814.34, 34,265.61 and 18,919.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,814.34 : 34,265.61 = 18,919.86 : x
2. Step 2: Convert to fraction form
   22,814.34/34,265.61 = 18,919.86/x
3. Step 3: Cross multiply
   22,814.34x = 34,265.61 × 18,919.86
4. Step 4: Simplify right side
   22,814.34x = 648,300,544.01
5. Step 5: Solve for x
   x = 648,300,544.01/22,814.34
6. Step 6: Final answer
   x = 28,416.36