Finding the Fourth Proportional to 1,429.49, 1,973.41 and 1,353.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.49 : 1,973.41 = 1,353.18 : x
2. Step 2: Convert to fraction form
   1,429.49/1,973.41 = 1,353.18/x
3. Step 3: Cross multiply
   1,429.49x = 1,973.41 × 1,353.18
4. Step 4: Simplify right side
   1,429.49x = 2,670,378.94
5. Step 5: Solve for x
   x = 2,670,378.94/1,429.49
6. Step 6: Final answer
   x = 1,868.06