Finding the Fourth Proportional to 1,300.54, 1,794.80 and 711.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.54 : 1,794.80 = 711.10 : x
2. Step 2: Convert to fraction form
   1,300.54/1,794.80 = 711.10/x
3. Step 3: Cross multiply
   1,300.54x = 1,794.80 × 711.10
4. Step 4: Simplify right side
   1,300.54x = 1,276,282.28
5. Step 5: Solve for x
   x = 1,276,282.28/1,300.54
6. Step 6: Final answer
   x = 981.35