Finding the Fourth Proportional to 8,076, 12,108.06 and 3,077.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,076 : 12,108.06 = 3,077.50 : x
2. Step 2: Convert to fraction form
   8,076/12,108.06 = 3,077.50/x
3. Step 3: Cross multiply
   8,076x = 12,108.06 × 3,077.50
4. Step 4: Simplify right side
   8,076x = 37,262,554.65
5. Step 5: Solve for x
   x = 37,262,554.65/8,076
6. Step 6: Final answer
   x = 4,613.99