Finding the Fourth Proportional to 1,570.08, 2,164.40 and 1,196.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570.08 : 2,164.40 = 1,196.41 : x
2. Step 2: Convert to fraction form
   1,570.08/2,164.40 = 1,196.41/x
3. Step 3: Cross multiply
   1,570.08x = 2,164.40 × 1,196.41
4. Step 4: Simplify right side
   1,570.08x = 2,589,512.22
5. Step 5: Solve for x
   x = 2,589,512.22/1,570.08
6. Step 6: Final answer
   x = 1,649.29