Finding the Fourth Proportional to 10,484.22, 15,719.55 and 5,556.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,484.22 : 15,719.55 = 5,556.18 : x
2. Step 2: Convert to fraction form
   10,484.22/15,719.55 = 5,556.18/x
3. Step 3: Cross multiply
   10,484.22x = 15,719.55 × 5,556.18
4. Step 4: Simplify right side
   10,484.22x = 87,340,649.32
5. Step 5: Solve for x
   x = 87,340,649.32/10,484.22
6. Step 6: Final answer
   x = 8,330.68