Finding the Fourth Proportional to 7,456.56, 10,290.06 and 4,099.35

Step by Step Solution

1. Step 1: Write the proportion equation
   7,456.56 : 10,290.06 = 4,099.35 : x
2. Step 2: Convert to fraction form
   7,456.56/10,290.06 = 4,099.35/x
3. Step 3: Cross multiply
   7,456.56x = 10,290.06 × 4,099.35
4. Step 4: Simplify right side
   7,456.56x = 42,182,536.96
5. Step 5: Solve for x
   x = 42,182,536.96/7,456.56
6. Step 6: Final answer
   x = 5,657.10