Finding the Fourth Proportional to 1,570.81, 2,168.21 and 1,073.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570.81 : 2,168.21 = 1,073.27 : x
2. Step 2: Convert to fraction form
   1,570.81/2,168.21 = 1,073.27/x
3. Step 3: Cross multiply
   1,570.81x = 2,168.21 × 1,073.27
4. Step 4: Simplify right side
   1,570.81x = 2,327,066.59
5. Step 5: Solve for x
   x = 2,327,066.59/1,570.81
6. Step 6: Final answer
   x = 1,481.45