Finding the Fourth Proportional to 2,570.50, 3,547.89 and 2,150.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.50 : 3,547.89 = 2,150.13 : x
2. Step 2: Convert to fraction form
   2,570.50/3,547.89 = 2,150.13/x
3. Step 3: Cross multiply
   2,570.50x = 3,547.89 × 2,150.13
4. Step 4: Simplify right side
   2,570.50x = 7,628,424.73
5. Step 5: Solve for x
   x = 7,628,424.73/2,570.50
6. Step 6: Final answer
   x = 2,967.68