Finding the Fourth Proportional to 6,459.76, 9,681.51 and 3,498.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,459.76 : 9,681.51 = 3,498.09 : x
2. Step 2: Convert to fraction form
   6,459.76/9,681.51 = 3,498.09/x
3. Step 3: Cross multiply
   6,459.76x = 9,681.51 × 3,498.09
4. Step 4: Simplify right side
   6,459.76x = 33,866,793.32
5. Step 5: Solve for x
   x = 33,866,793.32/6,459.76
6. Step 6: Final answer
   x = 5,242.73