Finding the Fourth Proportional to 2,071.34, 2,858.43 and 1,127.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.34 : 2,858.43 = 1,127.10 : x
2. Step 2: Convert to fraction form
   2,071.34/2,858.43 = 1,127.10/x
3. Step 3: Cross multiply
   2,071.34x = 2,858.43 × 1,127.10
4. Step 4: Simplify right side
   2,071.34x = 3,221,736.45
5. Step 5: Solve for x
   x = 3,221,736.45/2,071.34
6. Step 6: Final answer
   x = 1,555.39