Finding the Fourth Proportional to 2,914.56, 4,372.47 and 940.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,914.56 : 4,372.47 = 940.30 : x
2. Step 2: Convert to fraction form
   2,914.56/4,372.47 = 940.30/x
3. Step 3: Cross multiply
   2,914.56x = 4,372.47 × 940.30
4. Step 4: Simplify right side
   2,914.56x = 4,111,441.24
5. Step 5: Solve for x
   x = 4,111,441.24/2,914.56
6. Step 6: Final answer
   x = 1,410.66