Finding the Fourth Proportional to 5,499.35, 7,587.32 and 3,109.09

Step by Step Solution

1. Step 1: Write the proportion equation
   5,499.35 : 7,587.32 = 3,109.09 : x
2. Step 2: Convert to fraction form
   5,499.35/7,587.32 = 3,109.09/x
3. Step 3: Cross multiply
   5,499.35x = 7,587.32 × 3,109.09
4. Step 4: Simplify right side
   5,499.35x = 23,589,687.48
5. Step 5: Solve for x
   x = 23,589,687.48/5,499.35
6. Step 6: Final answer
   x = 4,289.54