Finding the Fourth Proportional to 7,456.56, 10,290.10 and 4,099.26

Step by Step Solution

1. Step 1: Write the proportion equation
   7,456.56 : 10,290.10 = 4,099.26 : x
2. Step 2: Convert to fraction form
   7,456.56/10,290.10 = 4,099.26/x
3. Step 3: Cross multiply
   7,456.56x = 10,290.10 × 4,099.26
4. Step 4: Simplify right side
   7,456.56x = 42,181,795.33
5. Step 5: Solve for x
   x = 42,181,795.33/7,456.56
6. Step 6: Final answer
   x = 5,657.00