Finding the Fourth Proportional to 17,564.14, 24,215.63 and 12,784.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,564.14 : 24,215.63 = 12,784.86 : x
2. Step 2: Convert to fraction form
   17,564.14/24,215.63 = 12,784.86/x
3. Step 3: Cross multiply
   17,564.14x = 24,215.63 × 12,784.86
4. Step 4: Simplify right side
   17,564.14x = 309,593,551.42
5. Step 5: Solve for x
   x = 309,593,551.42/17,564.14
6. Step 6: Final answer
   x = 17,626.46