Finding the Fourth Proportional to 8,261.52, 12,389.82 and 3,066.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,261.52 : 12,389.82 = 3,066.18 : x
2. Step 2: Convert to fraction form
   8,261.52/12,389.82 = 3,066.18/x
3. Step 3: Cross multiply
   8,261.52x = 12,389.82 × 3,066.18
4. Step 4: Simplify right side
   8,261.52x = 37,989,418.29
5. Step 5: Solve for x
   x = 37,989,418.29/8,261.52
6. Step 6: Final answer
   x = 4,598.36