Finding the Fourth Proportional to 1,362, 1,883.72 and 1,214.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362 : 1,883.72 = 1,214.38 : x
2. Step 2: Convert to fraction form
   1,362/1,883.72 = 1,214.38/x
3. Step 3: Cross multiply
   1,362x = 1,883.72 × 1,214.38
4. Step 4: Simplify right side
   1,362x = 2,287,551.89
5. Step 5: Solve for x
   x = 2,287,551.89/1,362
6. Step 6: Final answer
   x = 1,679.55