Finding the Fourth Proportional to 22,010.16, 30,373.42 and 12,578.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,010.16 : 30,373.42 = 12,578.71 : x
2. Step 2: Convert to fraction form
   22,010.16/30,373.42 = 12,578.71/x
3. Step 3: Cross multiply
   22,010.16x = 30,373.42 × 12,578.71
4. Step 4: Simplify right side
   22,010.16x = 382,058,441.89
5. Step 5: Solve for x
   x = 382,058,441.89/22,010.16
6. Step 6: Final answer
   x = 17,358.28