Finding the Fourth Proportional to 1,781.58, 2,671.29 and 741.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,781.58 : 2,671.29 = 741.18 : x
2. Step 2: Convert to fraction form
   1,781.58/2,671.29 = 741.18/x
3. Step 3: Cross multiply
   1,781.58x = 2,671.29 × 741.18
4. Step 4: Simplify right side
   1,781.58x = 1,979,906.72
5. Step 5: Solve for x
   x = 1,979,906.72/1,781.58
6. Step 6: Final answer
   x = 1,111.32