Finding the Fourth Proportional to 1,429.33, 2,144.53 and 875.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.33 : 2,144.53 = 875.18 : x
2. Step 2: Convert to fraction form
   1,429.33/2,144.53 = 875.18/x
3. Step 3: Cross multiply
   1,429.33x = 2,144.53 × 875.18
4. Step 4: Simplify right side
   1,429.33x = 1,876,849.77
5. Step 5: Solve for x
   x = 1,876,849.77/1,429.33
6. Step 6: Final answer
   x = 1,313.10