Finding the Fourth Proportional to 7,456.32, 10,289.59 and 4,099.11

Step by Step Solution

1. Step 1: Write the proportion equation
   7,456.32 : 10,289.59 = 4,099.11 : x
2. Step 2: Convert to fraction form
   7,456.32/10,289.59 = 4,099.11/x
3. Step 3: Cross multiply
   7,456.32x = 10,289.59 × 4,099.11
4. Step 4: Simplify right side
   7,456.32x = 42,178,109.82
5. Step 5: Solve for x
   x = 42,178,109.82/7,456.32
6. Step 6: Final answer
   x = 5,656.69