Finding the Fourth Proportional to 22,066.94, 30,449 and 12,506.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,066.94 : 30,449 = 12,506.28 : x
2. Step 2: Convert to fraction form
   22,066.94/30,449 = 12,506.28/x
3. Step 3: Cross multiply
   22,066.94x = 30,449 × 12,506.28
4. Step 4: Simplify right side
   22,066.94x = 380,803,719.72
5. Step 5: Solve for x
   x = 380,803,719.72/22,066.94
6. Step 6: Final answer
   x = 17,256.75