Finding the Fourth Proportional to 3,575.34, 5,359.37 and 3,260.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,575.34 : 5,359.37 = 3,260.05 : x
2. Step 2: Convert to fraction form
   3,575.34/5,359.37 = 3,260.05/x
3. Step 3: Cross multiply
   3,575.34x = 5,359.37 × 3,260.05
4. Step 4: Simplify right side
   3,575.34x = 17,471,784.47
5. Step 5: Solve for x
   x = 17,471,784.47/3,575.34
6. Step 6: Final answer
   x = 4,886.75