Finding the Fourth Proportional to 5,164.03, 7,126.28 and 3,039.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,164.03 : 7,126.28 = 3,039.31 : x
2. Step 2: Convert to fraction form
   5,164.03/7,126.28 = 3,039.31/x
3. Step 3: Cross multiply
   5,164.03x = 7,126.28 × 3,039.31
4. Step 4: Simplify right side
   5,164.03x = 21,659,007.77
5. Step 5: Solve for x
   x = 21,659,007.77/5,164.03
6. Step 6: Final answer
   x = 4,194.20