Finding the Fourth Proportional to 1,955.56, 2,698.56 and 1,071.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,955.56 : 2,698.56 = 1,071.37 : x
2. Step 2: Convert to fraction form
   1,955.56/2,698.56 = 1,071.37/x
3. Step 3: Cross multiply
   1,955.56x = 2,698.56 × 1,071.37
4. Step 4: Simplify right side
   1,955.56x = 2,891,156.23
5. Step 5: Solve for x
   x = 2,891,156.23/1,955.56
6. Step 6: Final answer
   x = 1,478.43