Finding the Fourth Proportional to 1,348.27, 1,860.25 and 788.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.27 : 1,860.25 = 788.87 : x
2. Step 2: Convert to fraction form
   1,348.27/1,860.25 = 788.87/x
3. Step 3: Cross multiply
   1,348.27x = 1,860.25 × 788.87
4. Step 4: Simplify right side
   1,348.27x = 1,467,500.10
5. Step 5: Solve for x
   x = 1,467,500.10/1,348.27
6. Step 6: Final answer
   x = 1,088.43