Finding the Fourth Proportional to 1,838.31, 2,753.33 and 1,424.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,838.31 : 2,753.33 = 1,424.15 : x
2. Step 2: Convert to fraction form
   1,838.31/2,753.33 = 1,424.15/x
3. Step 3: Cross multiply
   1,838.31x = 2,753.33 × 1,424.15
4. Step 4: Simplify right side
   1,838.31x = 3,921,134.03
5. Step 5: Solve for x
   x = 3,921,134.03/1,838.31
6. Step 6: Final answer
   x = 2,133.01