Finding the Fourth Proportional to 5,142.49, 7,097.83 and 3,018.26

Step by Step Solution

1. Step 1: Write the proportion equation
   5,142.49 : 7,097.83 = 3,018.26 : x
2. Step 2: Convert to fraction form
   5,142.49/7,097.83 = 3,018.26/x
3. Step 3: Cross multiply
   5,142.49x = 7,097.83 × 3,018.26
4. Step 4: Simplify right side
   5,142.49x = 21,423,106.57
5. Step 5: Solve for x
   x = 21,423,106.57/5,142.49
6. Step 6: Final answer
   x = 4,165.90