Finding the Fourth Proportional to 1,262.33, 1,740.69 and 888.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,262.33 : 1,740.69 = 888.71 : x
2. Step 2: Convert to fraction form
   1,262.33/1,740.69 = 888.71/x
3. Step 3: Cross multiply
   1,262.33x = 1,740.69 × 888.71
4. Step 4: Simplify right side
   1,262.33x = 1,546,968.61
5. Step 5: Solve for x
   x = 1,546,968.61/1,262.33
6. Step 6: Final answer
   x = 1,225.49