Finding the Fourth Proportional to 1,887.24, 2,604.35 and 1,047.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887.24 : 2,604.35 = 1,047.89 : x
2. Step 2: Convert to fraction form
   1,887.24/2,604.35 = 1,047.89/x
3. Step 3: Cross multiply
   1,887.24x = 2,604.35 × 1,047.89
4. Step 4: Simplify right side
   1,887.24x = 2,729,073.59
5. Step 5: Solve for x
   x = 2,729,073.59/1,887.24
6. Step 6: Final answer
   x = 1,446.07