Finding the Fourth Proportional to 5,499.22, 7,588.74 and 3,109.29

Step by Step Solution

1. Step 1: Write the proportion equation
   5,499.22 : 7,588.74 = 3,109.29 : x
2. Step 2: Convert to fraction form
   5,499.22/7,588.74 = 3,109.29/x
3. Step 3: Cross multiply
   5,499.22x = 7,588.74 × 3,109.29
4. Step 4: Simplify right side
   5,499.22x = 23,595,593.39
5. Step 5: Solve for x
   x = 23,595,593.39/5,499.22
6. Step 6: Final answer
   x = 4,290.72