Finding the Fourth Proportional to 1,570.76, 2,357.27 and 1,266.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570.76 : 2,357.27 = 1,266.29 : x
2. Step 2: Convert to fraction form
   1,570.76/2,357.27 = 1,266.29/x
3. Step 3: Cross multiply
   1,570.76x = 2,357.27 × 1,266.29
4. Step 4: Simplify right side
   1,570.76x = 2,984,981.10
5. Step 5: Solve for x
   x = 2,984,981.10/1,570.76
6. Step 6: Final answer
   x = 1,900.34