Finding the Fourth Proportional to 6,669.87, 10,005.39 and 1,739.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,669.87 : 10,005.39 = 1,739.52 : x
2. Step 2: Convert to fraction form
   6,669.87/10,005.39 = 1,739.52/x
3. Step 3: Cross multiply
   6,669.87x = 10,005.39 × 1,739.52
4. Step 4: Simplify right side
   6,669.87x = 17,404,576.01
5. Step 5: Solve for x
   x = 17,404,576.01/6,669.87
6. Step 6: Final answer
   x = 2,609.43