Finding the Fourth Proportional to 1,300.18, 1,794.03 and 776.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.18 : 1,794.03 = 776.38 : x
2. Step 2: Convert to fraction form
   1,300.18/1,794.03 = 776.38/x
3. Step 3: Cross multiply
   1,300.18x = 1,794.03 × 776.38
4. Step 4: Simplify right side
   1,300.18x = 1,392,849.01
5. Step 5: Solve for x
   x = 1,392,849.01/1,300.18
6. Step 6: Final answer
   x = 1,071.27