Finding the Fourth Proportional to 1,002.76, 1,384.42 and 793.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.76 : 1,384.42 = 793.78 : x
2. Step 2: Convert to fraction form
   1,002.76/1,384.42 = 793.78/x
3. Step 3: Cross multiply
   1,002.76x = 1,384.42 × 793.78
4. Step 4: Simplify right side
   1,002.76x = 1,098,924.91
5. Step 5: Solve for x
   x = 1,098,924.91/1,002.76
6. Step 6: Final answer
   x = 1,095.90