Finding the Fourth Proportional to 1,342.32, 1,852.31 and 744.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.32 : 1,852.31 = 744.81 : x
2. Step 2: Convert to fraction form
   1,342.32/1,852.31 = 744.81/x
3. Step 3: Cross multiply
   1,342.32x = 1,852.31 × 744.81
4. Step 4: Simplify right side
   1,342.32x = 1,379,615.29
5. Step 5: Solve for x
   x = 1,379,615.29/1,342.32
6. Step 6: Final answer
   x = 1,027.78