Finding the Fourth Proportional to 1,348.33, 1,860.42 and 788.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.33 : 1,860.42 = 788.69 : x
2. Step 2: Convert to fraction form
   1,348.33/1,860.42 = 788.69/x
3. Step 3: Cross multiply
   1,348.33x = 1,860.42 × 788.69
4. Step 4: Simplify right side
   1,348.33x = 1,467,299.30
5. Step 5: Solve for x
   x = 1,467,299.30/1,348.33
6. Step 6: Final answer
   x = 1,088.23