Finding the Fourth Proportional to 1,887.39, 2,604.59 and 1,048.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887.39 : 2,604.59 = 1,048.11 : x
2. Step 2: Convert to fraction form
   1,887.39/2,604.59 = 1,048.11/x
3. Step 3: Cross multiply
   1,887.39x = 2,604.59 × 1,048.11
4. Step 4: Simplify right side
   1,887.39x = 2,729,896.82
5. Step 5: Solve for x
   x = 2,729,896.82/1,887.39
6. Step 6: Final answer
   x = 1,446.39