Finding the Fourth Proportional to 10,556.88, 15,838.06 and 3,983.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,556.88 : 15,838.06 = 3,983.12 : x
2. Step 2: Convert to fraction form
   10,556.88/15,838.06 = 3,983.12/x
3. Step 3: Cross multiply
   10,556.88x = 15,838.06 × 3,983.12
4. Step 4: Simplify right side
   10,556.88x = 63,084,949.15
5. Step 5: Solve for x
   x = 63,084,949.15/10,556.88
6. Step 6: Final answer
   x = 5,975.72