Finding the Fourth Proportional to 11,879.82, 17,820.30 and 3,114.74

Step by Step Solution

1. Step 1: Write the proportion equation
   11,879.82 : 17,820.30 = 3,114.74 : x
2. Step 2: Convert to fraction form
   11,879.82/17,820.30 = 3,114.74/x
3. Step 3: Cross multiply
   11,879.82x = 17,820.30 × 3,114.74
4. Step 4: Simplify right side
   11,879.82x = 55,505,601.22
5. Step 5: Solve for x
   x = 55,505,601.22/11,879.82
6. Step 6: Final answer
   x = 4,672.26