Finding the Fourth Proportional to 8,141.04, 12,215.40 and 2,945.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,141.04 : 12,215.40 = 2,945.52 : x
2. Step 2: Convert to fraction form
   8,141.04/12,215.40 = 2,945.52/x
3. Step 3: Cross multiply
   8,141.04x = 12,215.40 × 2,945.52
4. Step 4: Simplify right side
   8,141.04x = 35,980,705.01
5. Step 5: Solve for x
   x = 35,980,705.01/8,141.04
6. Step 6: Final answer
   x = 4,419.67