Finding the Fourth Proportional to 1,453.02, 2,005.25 and 855.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,453.02 : 2,005.25 = 855.71 : x
2. Step 2: Convert to fraction form
   1,453.02/2,005.25 = 855.71/x
3. Step 3: Cross multiply
   1,453.02x = 2,005.25 × 855.71
4. Step 4: Simplify right side
   1,453.02x = 1,715,898.17
5. Step 5: Solve for x
   x = 1,715,898.17/1,453.02
6. Step 6: Final answer
   x = 1,180.92