Finding the Fourth Proportional to 13,971.25, 19,280.46 and 8,002.80

Step by Step Solution

1. Step 1: Write the proportion equation
   13,971.25 : 19,280.46 = 8,002.80 : x
2. Step 2: Convert to fraction form
   13,971.25/19,280.46 = 8,002.80/x
3. Step 3: Cross multiply
   13,971.25x = 19,280.46 × 8,002.80
4. Step 4: Simplify right side
   13,971.25x = 154,297,568.89
5. Step 5: Solve for x
   x = 154,297,568.89/13,971.25
6. Step 6: Final answer
   x = 11,043.94