Finding the Fourth Proportional to 2,181.76, 3,274.08 and 1,156.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.76 : 3,274.08 = 1,156.48 : x
2. Step 2: Convert to fraction form
   2,181.76/3,274.08 = 1,156.48/x
3. Step 3: Cross multiply
   2,181.76x = 3,274.08 × 1,156.48
4. Step 4: Simplify right side
   2,181.76x = 3,786,408.04
5. Step 5: Solve for x
   x = 3,786,408.04/2,181.76
6. Step 6: Final answer
   x = 1,735.48