Finding the Fourth Proportional to 3,611.16, 5,405.18 and 1,941.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,611.16 : 5,405.18 = 1,941.12 : x
2. Step 2: Convert to fraction form
   3,611.16/5,405.18 = 1,941.12/x
3. Step 3: Cross multiply
   3,611.16x = 5,405.18 × 1,941.12
4. Step 4: Simplify right side
   3,611.16x = 10,492,093.30
5. Step 5: Solve for x
   x = 10,492,093.30/3,611.16
6. Step 6: Final answer
   x = 2,905.46