Finding the Fourth Proportional to 1,300.86, 1,794.96 and 776.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.86 : 1,794.96 = 776.93 : x
2. Step 2: Convert to fraction form
   1,300.86/1,794.96 = 776.93/x
3. Step 3: Cross multiply
   1,300.86x = 1,794.96 × 776.93
4. Step 4: Simplify right side
   1,300.86x = 1,394,549.30
5. Step 5: Solve for x
   x = 1,394,549.30/1,300.86
6. Step 6: Final answer
   x = 1,072.02