Finding the Fourth Proportional to 2,531.91, 3,799.56 and 888.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.91 : 3,799.56 = 888.47 : x
2. Step 2: Convert to fraction form
   2,531.91/3,799.56 = 888.47/x
3. Step 3: Cross multiply
   2,531.91x = 3,799.56 × 888.47
4. Step 4: Simplify right side
   2,531.91x = 3,375,795.07
5. Step 5: Solve for x
   x = 3,375,795.07/2,531.91
6. Step 6: Final answer
   x = 1,333.30