Finding the Fourth Proportional to 3,782.15, 5,219.37 and 2,126.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,782.15 : 5,219.37 = 2,126.15 : x
2. Step 2: Convert to fraction form
   3,782.15/5,219.37 = 2,126.15/x
3. Step 3: Cross multiply
   3,782.15x = 5,219.37 × 2,126.15
4. Step 4: Simplify right side
   3,782.15x = 11,097,152.89
5. Step 5: Solve for x
   x = 11,097,152.89/3,782.15
6. Step 6: Final answer
   x = 2,934.09