Finding the Fourth Proportional to 1,348.19, 1,860.00 and 788.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.19 : 1,860.00 = 788.48 : x
2. Step 2: Convert to fraction form
   1,348.19/1,860.00 = 788.48/x
3. Step 3: Cross multiply
   1,348.19x = 1,860.00 × 788.48
4. Step 4: Simplify right side
   1,348.19x = 1,466,568.86
5. Step 5: Solve for x
   x = 1,466,568.86/1,348.19
6. Step 6: Final answer
   x = 1,087.81