Finding the Fourth Proportional to 13,783.91, 19,021.84 and 7,496.28

Step by Step Solution

1. Step 1: Write the proportion equation
   13,783.91 : 19,021.84 = 7,496.28 : x
2. Step 2: Convert to fraction form
   13,783.91/19,021.84 = 7,496.28/x
3. Step 3: Cross multiply
   13,783.91x = 19,021.84 × 7,496.28
4. Step 4: Simplify right side
   13,783.91x = 142,593,020.01
5. Step 5: Solve for x
   x = 142,593,020.01/13,783.91
6. Step 6: Final answer
   x = 10,344.89