Finding the Fourth Proportional to 1,887.43, 2,604.68 and 1,048.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887.43 : 2,604.68 = 1,048.15 : x
2. Step 2: Convert to fraction form
   1,887.43/2,604.68 = 1,048.15/x
3. Step 3: Cross multiply
   1,887.43x = 2,604.68 × 1,048.15
4. Step 4: Simplify right side
   1,887.43x = 2,730,095.34
5. Step 5: Solve for x
   x = 2,730,095.34/1,887.43
6. Step 6: Final answer
   x = 1,446.46