Finding the Fourth Proportional to 2,012.51, 3,016.43 and 1,191.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.51 : 3,016.43 = 1,191.48 : x
2. Step 2: Convert to fraction form
   2,012.51/3,016.43 = 1,191.48/x
3. Step 3: Cross multiply
   2,012.51x = 3,016.43 × 1,191.48
4. Step 4: Simplify right side
   2,012.51x = 3,594,003.22
5. Step 5: Solve for x
   x = 3,594,003.22/2,012.51
6. Step 6: Final answer
   x = 1,785.83