Finding the Fourth Proportional to 1,344.31, 1,855.00 and 754.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,344.31 : 1,855.00 = 754.72 : x
2. Step 2: Convert to fraction form
   1,344.31/1,855.00 = 754.72/x
3. Step 3: Cross multiply
   1,344.31x = 1,855.00 × 754.72
4. Step 4: Simplify right side
   1,344.31x = 1,400,003.71
5. Step 5: Solve for x
   x = 1,400,003.71/1,344.31
6. Step 6: Final answer
   x = 1,041.43