Finding the Fourth Proportional to 11,019.52, 15,207.06 and 5,983.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,019.52 : 15,207.06 = 5,983.80 : x
2. Step 2: Convert to fraction form
   11,019.52/15,207.06 = 5,983.80/x
3. Step 3: Cross multiply
   11,019.52x = 15,207.06 × 5,983.80
4. Step 4: Simplify right side
   11,019.52x = 90,996,005.63
5. Step 5: Solve for x
   x = 90,996,005.63/11,019.52
6. Step 6: Final answer
   x = 8,257.71