Finding the Fourth Proportional to 22,297.93, 30,774.28 and 13,802.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,297.93 : 30,774.28 = 13,802.78 : x
2. Step 2: Convert to fraction form
   22,297.93/30,774.28 = 13,802.78/x
3. Step 3: Cross multiply
   22,297.93x = 30,774.28 × 13,802.78
4. Step 4: Simplify right side
   22,297.93x = 424,770,616.50
5. Step 5: Solve for x
   x = 424,770,616.50/22,297.93
6. Step 6: Final answer
   x = 19,049.78