Finding the Fourth Proportional to 5,164.91, 7,127.57 and 3,040.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,164.91 : 7,127.57 = 3,040.50 : x
2. Step 2: Convert to fraction form
   5,164.91/7,127.57 = 3,040.50/x
3. Step 3: Cross multiply
   5,164.91x = 7,127.57 × 3,040.50
4. Step 4: Simplify right side
   5,164.91x = 21,671,361.38
5. Step 5: Solve for x
   x = 21,671,361.38/5,164.91
6. Step 6: Final answer
   x = 4,195.89