Finding the Fourth Proportional to 1,570.32, 2,356.09 and 1,162.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570.32 : 2,356.09 = 1,162.89 : x
2. Step 2: Convert to fraction form
   1,570.32/2,356.09 = 1,162.89/x
3. Step 3: Cross multiply
   1,570.32x = 2,356.09 × 1,162.89
4. Step 4: Simplify right side
   1,570.32x = 2,739,870.59
5. Step 5: Solve for x
   x = 2,739,870.59/1,570.32
6. Step 6: Final answer
   x = 1,744.78