Finding the Fourth Proportional to 8,075.25, 12,108.15 and 3,077.91

Step by Step Solution

1. Step 1: Write the proportion equation
   8,075.25 : 12,108.15 = 3,077.91 : x
2. Step 2: Convert to fraction form
   8,075.25/12,108.15 = 3,077.91/x
3. Step 3: Cross multiply
   8,075.25x = 12,108.15 × 3,077.91
4. Step 4: Simplify right side
   8,075.25x = 37,267,795.97
5. Step 5: Solve for x
   x = 37,267,795.97/8,075.25
6. Step 6: Final answer
   x = 4,615.06