Finding the Fourth Proportional to 10,556.86, 15,829.98 and 3,534.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,556.86 : 15,829.98 = 3,534.43 : x
2. Step 2: Convert to fraction form
   10,556.86/15,829.98 = 3,534.43/x
3. Step 3: Cross multiply
   10,556.86x = 15,829.98 × 3,534.43
4. Step 4: Simplify right side
   10,556.86x = 55,949,956.21
5. Step 5: Solve for x
   x = 55,949,956.21/10,556.86
6. Step 6: Final answer
   x = 5,299.87