Finding the Fourth Proportional to 8,267.78, 12,404.55 and 3,075.14

Step by Step Solution

1. Step 1: Write the proportion equation
   8,267.78 : 12,404.55 = 3,075.14 : x
2. Step 2: Convert to fraction form
   8,267.78/12,404.55 = 3,075.14/x
3. Step 3: Cross multiply
   8,267.78x = 12,404.55 × 3,075.14
4. Step 4: Simplify right side
   8,267.78x = 38,145,727.89
5. Step 5: Solve for x
   x = 38,145,727.89/8,267.78
6. Step 6: Final answer
   x = 4,613.78