Finding the Fourth Proportional to 1,796.69, 2,480.05 and 1,115.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.69 : 2,480.05 = 1,115.86 : x
2. Step 2: Convert to fraction form
   1,796.69/2,480.05 = 1,115.86/x
3. Step 3: Cross multiply
   1,796.69x = 2,480.05 × 1,115.86
4. Step 4: Simplify right side
   1,796.69x = 2,767,376.19
5. Step 5: Solve for x
   x = 2,767,376.19/1,796.69
6. Step 6: Final answer
   x = 1,540.26