Finding the Fourth Proportional to 5,100.18, 7,039.17 and 2,976

Step by Step Solution

1. Step 1: Write the proportion equation
   5,100.18 : 7,039.17 = 2,976 : x
2. Step 2: Convert to fraction form
   5,100.18/7,039.17 = 2,976/x
3. Step 3: Cross multiply
   5,100.18x = 7,039.17 × 2,976
4. Step 4: Simplify right side
   5,100.18x = 20,948,569.92
5. Step 5: Solve for x
   x = 20,948,569.92/5,100.18
6. Step 6: Final answer
   x = 4,107.42