Finding the Fourth Proportional to 1,788.23, 2,467.71 and 1,042.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.23 : 2,467.71 = 1,042.25 : x
2. Step 2: Convert to fraction form
   1,788.23/2,467.71 = 1,042.25/x
3. Step 3: Cross multiply
   1,788.23x = 2,467.71 × 1,042.25
4. Step 4: Simplify right side
   1,788.23x = 2,571,958.41
5. Step 5: Solve for x
   x = 2,571,958.41/1,788.23
6. Step 6: Final answer
   x = 1,438.27