Finding the Fourth Proportional to 1,570.09, 2,165.52 and 1,150.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570.09 : 2,165.52 = 1,150.29 : x
2. Step 2: Convert to fraction form
   1,570.09/2,165.52 = 1,150.29/x
3. Step 3: Cross multiply
   1,570.09x = 2,165.52 × 1,150.29
4. Step 4: Simplify right side
   1,570.09x = 2,490,976.00
5. Step 5: Solve for x
   x = 2,490,976.00/1,570.09
6. Step 6: Final answer
   x = 1,586.52