Finding the Fourth Proportional to 1,749.16, 2,622.81 and 1,315.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,749.16 : 2,622.81 = 1,315.41 : x
2. Step 2: Convert to fraction form
   1,749.16/2,622.81 = 1,315.41/x
3. Step 3: Cross multiply
   1,749.16x = 2,622.81 × 1,315.41
4. Step 4: Simplify right side
   1,749.16x = 3,450,065.60
5. Step 5: Solve for x
   x = 3,450,065.60/1,749.16
6. Step 6: Final answer
   x = 1,972.41