Finding the Fourth Proportional to 3,703.31, 5,111.88 and 3,265.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,703.31 : 5,111.88 = 3,265.91 : x
2. Step 2: Convert to fraction form
   3,703.31/5,111.88 = 3,265.91/x
3. Step 3: Cross multiply
   3,703.31x = 5,111.88 × 3,265.91
4. Step 4: Simplify right side
   3,703.31x = 16,694,940.01
5. Step 5: Solve for x
   x = 16,694,940.01/3,703.31
6. Step 6: Final answer
   x = 4,508.11