Finding the Fourth Proportional to 11,883.96, 17,819.87 and 3,983.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,883.96 : 17,819.87 = 3,983.63 : x
2. Step 2: Convert to fraction form
   11,883.96/17,819.87 = 3,983.63/x
3. Step 3: Cross multiply
   11,883.96x = 17,819.87 × 3,983.63
4. Step 4: Simplify right side
   11,883.96x = 70,987,659.71
5. Step 5: Solve for x
   x = 70,987,659.71/11,883.96
6. Step 6: Final answer
   x = 5,973.40