Finding the Fourth Proportional to 2,071.35, 2,858.41 and 1,127.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.35 : 2,858.41 = 1,127.12 : x
2. Step 2: Convert to fraction form
   2,071.35/2,858.41 = 1,127.12/x
3. Step 3: Cross multiply
   2,071.35x = 2,858.41 × 1,127.12
4. Step 4: Simplify right side
   2,071.35x = 3,221,761.37
5. Step 5: Solve for x
   x = 3,221,761.37/2,071.35
6. Step 6: Final answer
   x = 1,555.39