Finding the Fourth Proportional to 1,941.78, 2,910.35 and 1,118.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,941.78 : 2,910.35 = 1,118.34 : x
2. Step 2: Convert to fraction form
   1,941.78/2,910.35 = 1,118.34/x
3. Step 3: Cross multiply
   1,941.78x = 2,910.35 × 1,118.34
4. Step 4: Simplify right side
   1,941.78x = 3,254,774.53
5. Step 5: Solve for x
   x = 3,254,774.53/1,941.78
6. Step 6: Final answer
   x = 1,676.18