Finding the Fourth Proportional to 2,570.69, 3,837.43 and 2,259.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.69 : 3,837.43 = 2,259.30 : x
2. Step 2: Convert to fraction form
   2,570.69/3,837.43 = 2,259.30/x
3. Step 3: Cross multiply
   2,570.69x = 3,837.43 × 2,259.30
4. Step 4: Simplify right side
   2,570.69x = 8,669,905.60
5. Step 5: Solve for x
   x = 8,669,905.60/2,570.69
6. Step 6: Final answer
   x = 3,372.60