Finding the Fourth Proportional to 2,109.15, 3,164.07 and 793.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.15 : 3,164.07 = 793.01 : x
2. Step 2: Convert to fraction form
   2,109.15/3,164.07 = 793.01/x
3. Step 3: Cross multiply
   2,109.15x = 3,164.07 × 793.01
4. Step 4: Simplify right side
   2,109.15x = 2,509,139.15
5. Step 5: Solve for x
   x = 2,509,139.15/2,109.15
6. Step 6: Final answer
   x = 1,189.64