Finding the Fourth Proportional to 6,078.06, 9,117.78 and 3,308.77

Step by Step Solution

1. Step 1: Write the proportion equation
   6,078.06 : 9,117.78 = 3,308.77 : x
2. Step 2: Convert to fraction form
   6,078.06/9,117.78 = 3,308.77/x
3. Step 3: Cross multiply
   6,078.06x = 9,117.78 × 3,308.77
4. Step 4: Simplify right side
   6,078.06x = 30,168,666.22
5. Step 5: Solve for x
   x = 30,168,666.22/6,078.06
6. Step 6: Final answer
   x = 4,963.53