Finding the Fourth Proportional to 1,711.58, 2,564.12 and 1,016.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,711.58 : 2,564.12 = 1,016.78 : x
2. Step 2: Convert to fraction form
   1,711.58/2,564.12 = 1,016.78/x
3. Step 3: Cross multiply
   1,711.58x = 2,564.12 × 1,016.78
4. Step 4: Simplify right side
   1,711.58x = 2,607,145.93
5. Step 5: Solve for x
   x = 2,607,145.93/1,711.58
6. Step 6: Final answer
   x = 1,523.24