Finding the Fourth Proportional to 5,456.32, 7,529.70 and 3,099.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,456.32 : 7,529.70 = 3,099.22 : x
2. Step 2: Convert to fraction form
   5,456.32/7,529.70 = 3,099.22/x
3. Step 3: Cross multiply
   5,456.32x = 7,529.70 × 3,099.22
4. Step 4: Simplify right side
   5,456.32x = 23,336,196.83
5. Step 5: Solve for x
   x = 23,336,196.83/5,456.32
6. Step 6: Final answer
   x = 4,276.91