Finding the Fourth Proportional to 1,570.27, 2,162.04 and 1,333.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570.27 : 2,162.04 = 1,333.72 : x
2. Step 2: Convert to fraction form
   1,570.27/2,162.04 = 1,333.72/x
3. Step 3: Cross multiply
   1,570.27x = 2,162.04 × 1,333.72
4. Step 4: Simplify right side
   1,570.27x = 2,883,545.18
5. Step 5: Solve for x
   x = 2,883,545.18/1,570.27
6. Step 6: Final answer
   x = 1,836.34