Finding the Fourth Proportional to 8,158.23, 12,238.16 and 2,610.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,158.23 : 12,238.16 = 2,610.18 : x
2. Step 2: Convert to fraction form
   8,158.23/12,238.16 = 2,610.18/x
3. Step 3: Cross multiply
   8,158.23x = 12,238.16 × 2,610.18
4. Step 4: Simplify right side
   8,158.23x = 31,943,787.42
5. Step 5: Solve for x
   x = 31,943,787.42/8,158.23
6. Step 6: Final answer
   x = 3,915.53