Finding the Fourth Proportional to 1,592.15, 2,196.77 and 928.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,592.15 : 2,196.77 = 928.85 : x
2. Step 2: Convert to fraction form
   1,592.15/2,196.77 = 928.85/x
3. Step 3: Cross multiply
   1,592.15x = 2,196.77 × 928.85
4. Step 4: Simplify right side
   1,592.15x = 2,040,454.19
5. Step 5: Solve for x
   x = 2,040,454.19/1,592.15
6. Step 6: Final answer
   x = 1,281.58