Finding the Fourth Proportional to 1,765.07, 2,435.72 and 979.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,765.07 : 2,435.72 = 979.10 : x
2. Step 2: Convert to fraction form
   1,765.07/2,435.72 = 979.10/x
3. Step 3: Cross multiply
   1,765.07x = 2,435.72 × 979.10
4. Step 4: Simplify right side
   1,765.07x = 2,384,808.56
5. Step 5: Solve for x
   x = 2,384,808.56/1,765.07
6. Step 6: Final answer
   x = 1,351.11