Finding the Fourth Proportional to 1,300.45, 1,794.82 and 828.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.45 : 1,794.82 = 828.55 : x
2. Step 2: Convert to fraction form
   1,300.45/1,794.82 = 828.55/x
3. Step 3: Cross multiply
   1,300.45x = 1,794.82 × 828.55
4. Step 4: Simplify right side
   1,300.45x = 1,487,091.55
5. Step 5: Solve for x
   x = 1,487,091.55/1,300.45
6. Step 6: Final answer
   x = 1,143.52