Finding the Fourth Proportional to 1,351.71, 1,865.42 and 762.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,351.71 : 1,865.42 = 762.23 : x
2. Step 2: Convert to fraction form
   1,351.71/1,865.42 = 762.23/x
3. Step 3: Cross multiply
   1,351.71x = 1,865.42 × 762.23
4. Step 4: Simplify right side
   1,351.71x = 1,421,882.37
5. Step 5: Solve for x
   x = 1,421,882.37/1,351.71
6. Step 6: Final answer
   x = 1,051.91