Finding the Fourth Proportional to 1,362.88, 1,881.83 and 1,047.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.88 : 1,881.83 = 1,047.64 : x
2. Step 2: Convert to fraction form
   1,362.88/1,881.83 = 1,047.64/x
3. Step 3: Cross multiply
   1,362.88x = 1,881.83 × 1,047.64
4. Step 4: Simplify right side
   1,362.88x = 1,971,480.38
5. Step 5: Solve for x
   x = 1,971,480.38/1,362.88
6. Step 6: Final answer
   x = 1,446.55