Finding the Fourth Proportional to 7,078.12, 10,614.27 and 3,075.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,078.12 : 10,614.27 = 3,075.76 : x
2. Step 2: Convert to fraction form
   7,078.12/10,614.27 = 3,075.76/x
3. Step 3: Cross multiply
   7,078.12x = 10,614.27 × 3,075.76
4. Step 4: Simplify right side
   7,078.12x = 32,646,947.10
5. Step 5: Solve for x
   x = 32,646,947.10/7,078.12
6. Step 6: Final answer
   x = 4,612.38