Finding the Fourth Proportional to 2,713.52, 4,072.59 and 1,071.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,713.52 : 4,072.59 = 1,071.23 : x
2. Step 2: Convert to fraction form
   2,713.52/4,072.59 = 1,071.23/x
3. Step 3: Cross multiply
   2,713.52x = 4,072.59 × 1,071.23
4. Step 4: Simplify right side
   2,713.52x = 4,362,680.59
5. Step 5: Solve for x
   x = 4,362,680.59/2,713.52
6. Step 6: Final answer
   x = 1,607.76