Finding the Fourth Proportional to 8,104.53, 12,156.18 and 2,558.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,104.53 : 12,156.18 = 2,558.05 : x
2. Step 2: Convert to fraction form
   8,104.53/12,156.18 = 2,558.05/x
3. Step 3: Cross multiply
   8,104.53x = 12,156.18 × 2,558.05
4. Step 4: Simplify right side
   8,104.53x = 31,096,116.25
5. Step 5: Solve for x
   x = 31,096,116.25/8,104.53
6. Step 6: Final answer
   x = 3,836.88