Finding the Fourth Proportional to 1,300.54, 1,794.74 and 711.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.54 : 1,794.74 = 711.07 : x
2. Step 2: Convert to fraction form
   1,300.54/1,794.74 = 711.07/x
3. Step 3: Cross multiply
   1,300.54x = 1,794.74 × 711.07
4. Step 4: Simplify right side
   1,300.54x = 1,276,186.78
5. Step 5: Solve for x
   x = 1,276,186.78/1,300.54
6. Step 6: Final answer
   x = 981.28