Finding the Fourth Proportional to 16,572.63, 22,870.71 and 9,019.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,572.63 : 22,870.71 = 9,019.45 : x
2. Step 2: Convert to fraction form
   16,572.63/22,870.71 = 9,019.45/x
3. Step 3: Cross multiply
   16,572.63x = 22,870.71 × 9,019.45
4. Step 4: Simplify right side
   16,572.63x = 206,281,168.13
5. Step 5: Solve for x
   x = 206,281,168.13/16,572.63
6. Step 6: Final answer
   x = 12,447.10