Finding the Fourth Proportional to 1,351.79, 1,865.43 and 762.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,351.79 : 1,865.43 = 762.32 : x
2. Step 2: Convert to fraction form
   1,351.79/1,865.43 = 762.32/x
3. Step 3: Cross multiply
   1,351.79x = 1,865.43 × 762.32
4. Step 4: Simplify right side
   1,351.79x = 1,422,045.27
5. Step 5: Solve for x
   x = 1,422,045.27/1,351.79
6. Step 6: Final answer
   x = 1,051.98