Finding the Fourth Proportional to 1,627.35, 2,443.47 and 1,570.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.35 : 2,443.47 = 1,570.65 : x
2. Step 2: Convert to fraction form
   1,627.35/2,443.47 = 1,570.65/x
3. Step 3: Cross multiply
   1,627.35x = 2,443.47 × 1,570.65
4. Step 4: Simplify right side
   1,627.35x = 3,837,836.16
5. Step 5: Solve for x
   x = 3,837,836.16/1,627.35
6. Step 6: Final answer
   x = 2,358.33