Finding the Fourth Proportional to 5,499.86, 7,588.50 and 3,109.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,499.86 : 7,588.50 = 3,109.88 : x
2. Step 2: Convert to fraction form
   5,499.86/7,588.50 = 3,109.88/x
3. Step 3: Cross multiply
   5,499.86x = 7,588.50 × 3,109.88
4. Step 4: Simplify right side
   5,499.86x = 23,599,324.38
5. Step 5: Solve for x
   x = 23,599,324.38/5,499.86
6. Step 6: Final answer
   x = 4,290.90