Finding the Fourth Proportional to 22,388.15, 30,895.71 and 12,317.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,388.15 : 30,895.71 = 12,317.24 : x
2. Step 2: Convert to fraction form
   22,388.15/30,895.71 = 12,317.24/x
3. Step 3: Cross multiply
   22,388.15x = 30,895.71 × 12,317.24
4. Step 4: Simplify right side
   22,388.15x = 380,549,875.04
5. Step 5: Solve for x
   x = 380,549,875.04/22,388.15
6. Step 6: Final answer
   x = 16,997.83