Finding the Fourth Proportional to 8,100.48, 12,155.04 and 2,910

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.48 : 12,155.04 = 2,910 : x
2. Step 2: Convert to fraction form
   8,100.48/12,155.04 = 2,910/x
3. Step 3: Cross multiply
   8,100.48x = 12,155.04 × 2,910
4. Step 4: Simplify right side
   8,100.48x = 35,371,166.40
5. Step 5: Solve for x
   x = 35,371,166.40/8,100.48
6. Step 6: Final answer
   x = 4,366.55