Finding the Fourth Proportional to 6,404.56, 9,598.74 and 3,435.64

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.56 : 9,598.74 = 3,435.64 : x
2. Step 2: Convert to fraction form
   6,404.56/9,598.74 = 3,435.64/x
3. Step 3: Cross multiply
   6,404.56x = 9,598.74 × 3,435.64
4. Step 4: Simplify right side
   6,404.56x = 32,977,815.09
5. Step 5: Solve for x
   x = 32,977,815.09/6,404.56
6. Step 6: Final answer
   x = 5,149.11