Finding the Fourth Proportional to 8,561.04, 12,845.27 and 3,018.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,561.04 : 12,845.27 = 3,018.34 : x
2. Step 2: Convert to fraction form
   8,561.04/12,845.27 = 3,018.34/x
3. Step 3: Cross multiply
   8,561.04x = 12,845.27 × 3,018.34
4. Step 4: Simplify right side
   8,561.04x = 38,771,392.25
5. Step 5: Solve for x
   x = 38,771,392.25/8,561.04
6. Step 6: Final answer
   x = 4,528.82