Finding the Fourth Proportional to 2,209.31, 3,047.24 and 1,570.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209.31 : 3,047.24 = 1,570.22 : x
2. Step 2: Convert to fraction form
   2,209.31/3,047.24 = 1,570.22/x
3. Step 3: Cross multiply
   2,209.31x = 3,047.24 × 1,570.22
4. Step 4: Simplify right side
   2,209.31x = 4,784,825.88
5. Step 5: Solve for x
   x = 4,784,825.88/2,209.31
6. Step 6: Final answer
   x = 2,165.76