Finding the Fourth Proportional to 10,442.58, 15,665.67 and 5,516.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,442.58 : 15,665.67 = 5,516.34 : x
2. Step 2: Convert to fraction form
   10,442.58/15,665.67 = 5,516.34/x
3. Step 3: Cross multiply
   10,442.58x = 15,665.67 × 5,516.34
4. Step 4: Simplify right side
   10,442.58x = 86,417,162.05
5. Step 5: Solve for x
   x = 86,417,162.05/10,442.58
6. Step 6: Final answer
   x = 8,275.46