Finding the Fourth Proportional to 6,404.25, 8,837.87 and 3,460.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.25 : 8,837.87 = 3,460.25 : x
2. Step 2: Convert to fraction form
   6,404.25/8,837.87 = 3,460.25/x
3. Step 3: Cross multiply
   6,404.25x = 8,837.87 × 3,460.25
4. Step 4: Simplify right side
   6,404.25x = 30,581,239.67
5. Step 5: Solve for x
   x = 30,581,239.67/6,404.25
6. Step 6: Final answer
   x = 4,775.15