Finding the Fourth Proportional to 1,348.52, 1,860.90 and 788.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.52 : 1,860.90 = 788.92 : x
2. Step 2: Convert to fraction form
   1,348.52/1,860.90 = 788.92/x
3. Step 3: Cross multiply
   1,348.52x = 1,860.90 × 788.92
4. Step 4: Simplify right side
   1,348.52x = 1,468,101.23
5. Step 5: Solve for x
   x = 1,468,101.23/1,348.52
6. Step 6: Final answer
   x = 1,088.68