Finding the Fourth Proportional to 1,362.53, 1,881.36 and 1,047.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.53 : 1,881.36 = 1,047.30 : x
2. Step 2: Convert to fraction form
   1,362.53/1,881.36 = 1,047.30/x
3. Step 3: Cross multiply
   1,362.53x = 1,881.36 × 1,047.30
4. Step 4: Simplify right side
   1,362.53x = 1,970,344.40
5. Step 5: Solve for x
   x = 1,970,344.40/1,362.53
6. Step 6: Final answer
   x = 1,446.09