Finding the Fourth Proportional to 1,862.86, 2,570.81 and 1,107.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,862.86 : 2,570.81 = 1,107.04 : x
2. Step 2: Convert to fraction form
   1,862.86/2,570.81 = 1,107.04/x
3. Step 3: Cross multiply
   1,862.86x = 2,570.81 × 1,107.04
4. Step 4: Simplify right side
   1,862.86x = 2,845,989.50
5. Step 5: Solve for x
   x = 2,845,989.50/1,862.86
6. Step 6: Final answer
   x = 1,527.75