Finding the Fourth Proportional to 1,744.34, 2,405.84 and 1,272.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,744.34 : 2,405.84 = 1,272.15 : x
2. Step 2: Convert to fraction form
   1,744.34/2,405.84 = 1,272.15/x
3. Step 3: Cross multiply
   1,744.34x = 2,405.84 × 1,272.15
4. Step 4: Simplify right side
   1,744.34x = 3,060,583.00
5. Step 5: Solve for x
   x = 3,060,583.00/1,744.34
6. Step 6: Final answer
   x = 1,754.58