Finding the Fourth Proportional to 1,352.76, 1,866.24 and 979.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,352.76 : 1,866.24 = 979.10 : x
2. Step 2: Convert to fraction form
   1,352.76/1,866.24 = 979.10/x
3. Step 3: Cross multiply
   1,352.76x = 1,866.24 × 979.10
4. Step 4: Simplify right side
   1,352.76x = 1,827,235.58
5. Step 5: Solve for x
   x = 1,827,235.58/1,352.76
6. Step 6: Final answer
   x = 1,350.75