Finding the Fourth Proportional to 12,361.52, 17,041.04 and 8,818.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,361.52 : 17,041.04 = 8,818.58 : x
2. Step 2: Convert to fraction form
   12,361.52/17,041.04 = 8,818.58/x
3. Step 3: Cross multiply
   12,361.52x = 17,041.04 × 8,818.58
4. Step 4: Simplify right side
   12,361.52x = 150,277,774.52
5. Step 5: Solve for x
   x = 150,277,774.52/12,361.52
6. Step 6: Final answer
   x = 12,156.90