Finding the Fourth Proportional to 3,383.04, 4,663.32 and 3,111.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,383.04 : 4,663.32 = 3,111.48 : x
2. Step 2: Convert to fraction form
   3,383.04/4,663.32 = 3,111.48/x
3. Step 3: Cross multiply
   3,383.04x = 4,663.32 × 3,111.48
4. Step 4: Simplify right side
   3,383.04x = 14,509,826.91
5. Step 5: Solve for x
   x = 14,509,826.91/3,383.04
6. Step 6: Final answer
   x = 4,288.99