Finding the Fourth Proportional to 5,165.63, 7,128.59 and 3,041.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,165.63 : 7,128.59 = 3,041.25 : x
2. Step 2: Convert to fraction form
   5,165.63/7,128.59 = 3,041.25/x
3. Step 3: Cross multiply
   5,165.63x = 7,128.59 × 3,041.25
4. Step 4: Simplify right side
   5,165.63x = 21,679,831.94
5. Step 5: Solve for x
   x = 21,679,831.94/5,165.63
6. Step 6: Final answer
   x = 4,196.94