Finding the Fourth Proportional to 1,887.72, 2,605.03 and 1,048.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887.72 : 2,605.03 = 1,048.42 : x
2. Step 2: Convert to fraction form
   1,887.72/2,605.03 = 1,048.42/x
3. Step 3: Cross multiply
   1,887.72x = 2,605.03 × 1,048.42
4. Step 4: Simplify right side
   1,887.72x = 2,731,165.55
5. Step 5: Solve for x
   x = 2,731,165.55/1,887.72
6. Step 6: Final answer
   x = 1,446.81