Finding the Fourth Proportional to 1,441.27, 1,988.24 and 851.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.27 : 1,988.24 = 851.52 : x
2. Step 2: Convert to fraction form
   1,441.27/1,988.24 = 851.52/x
3. Step 3: Cross multiply
   1,441.27x = 1,988.24 × 851.52
4. Step 4: Simplify right side
   1,441.27x = 1,693,026.12
5. Step 5: Solve for x
   x = 1,693,026.12/1,441.27
6. Step 6: Final answer
   x = 1,174.68