Finding the Fourth Proportional to 1,570.24, 2,359.41 and 1,398.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570.24 : 2,359.41 = 1,398.52 : x
2. Step 2: Convert to fraction form
   1,570.24/2,359.41 = 1,398.52/x
3. Step 3: Cross multiply
   1,570.24x = 2,359.41 × 1,398.52
4. Step 4: Simplify right side
   1,570.24x = 3,299,682.07
5. Step 5: Solve for x
   x = 3,299,682.07/1,570.24
6. Step 6: Final answer
   x = 2,101.39