Finding the Fourth Proportional to 1,700.79, 2,548.17 and 711.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,700.79 : 2,548.17 = 711.43 : x
2. Step 2: Convert to fraction form
   1,700.79/2,548.17 = 711.43/x
3. Step 3: Cross multiply
   1,700.79x = 2,548.17 × 711.43
4. Step 4: Simplify right side
   1,700.79x = 1,812,844.58
5. Step 5: Solve for x
   x = 1,812,844.58/1,700.79
6. Step 6: Final answer
   x = 1,065.88