Finding the Fourth Proportional to 2,071.25, 2,858.33 and 1,127.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.25 : 2,858.33 = 1,127.05 : x
2. Step 2: Convert to fraction form
   2,071.25/2,858.33 = 1,127.05/x
3. Step 3: Cross multiply
   2,071.25x = 2,858.33 × 1,127.05
4. Step 4: Simplify right side
   2,071.25x = 3,221,480.83
5. Step 5: Solve for x
   x = 3,221,480.83/2,071.25
6. Step 6: Final answer
   x = 1,555.34