Finding the Fourth Proportional to 1,764.90, 2,435.61 and 979.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,764.90 : 2,435.61 = 979.02 : x
2. Step 2: Convert to fraction form
   1,764.90/2,435.61 = 979.02/x
3. Step 3: Cross multiply
   1,764.90x = 2,435.61 × 979.02
4. Step 4: Simplify right side
   1,764.90x = 2,384,498.72
5. Step 5: Solve for x
   x = 2,384,498.72/1,764.90
6. Step 6: Final answer
   x = 1,351.07