Finding the Fourth Proportional to 2,174.42, 2,995.71 and 1,784

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174.42 : 2,995.71 = 1,784 : x
2. Step 2: Convert to fraction form
   2,174.42/2,995.71 = 1,784/x
3. Step 3: Cross multiply
   2,174.42x = 2,995.71 × 1,784
4. Step 4: Simplify right side
   2,174.42x = 5,344,346.64
5. Step 5: Solve for x
   x = 5,344,346.64/2,174.42
6. Step 6: Final answer
   x = 2,457.83