Finding the Fourth Proportional to 1,711.32, 2,564.52 and 971.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,711.32 : 2,564.52 = 971.52 : x
2. Step 2: Convert to fraction form
   1,711.32/2,564.52 = 971.52/x
3. Step 3: Cross multiply
   1,711.32x = 2,564.52 × 971.52
4. Step 4: Simplify right side
   1,711.32x = 2,491,482.47
5. Step 5: Solve for x
   x = 2,491,482.47/1,711.32
6. Step 6: Final answer
   x = 1,455.88