Finding the Fourth Proportional to 1,592.28, 2,196.86 and 928.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,592.28 : 2,196.86 = 928.98 : x
2. Step 2: Convert to fraction form
   1,592.28/2,196.86 = 928.98/x
3. Step 3: Cross multiply
   1,592.28x = 2,196.86 × 928.98
4. Step 4: Simplify right side
   1,592.28x = 2,040,834.36
5. Step 5: Solve for x
   x = 2,040,834.36/1,592.28
6. Step 6: Final answer
   x = 1,281.71