Finding the Fourth Proportional to 1,888.27, 2,605.54 and 1,048.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,888.27 : 2,605.54 = 1,048.98 : x
2. Step 2: Convert to fraction form
   1,888.27/2,605.54 = 1,048.98/x
3. Step 3: Cross multiply
   1,888.27x = 2,605.54 × 1,048.98
4. Step 4: Simplify right side
   1,888.27x = 2,733,168.46
5. Step 5: Solve for x
   x = 2,733,168.46/1,888.27
6. Step 6: Final answer
   x = 1,447.44