Finding the Fourth Proportional to 1,405.32, 2,105.73 and 941.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405.32 : 2,105.73 = 941.40 : x
2. Step 2: Convert to fraction form
   1,405.32/2,105.73 = 941.40/x
3. Step 3: Cross multiply
   1,405.32x = 2,105.73 × 941.40
4. Step 4: Simplify right side
   1,405.32x = 1,982,334.22
5. Step 5: Solve for x
   x = 1,982,334.22/1,405.32
6. Step 6: Final answer
   x = 1,410.59