Finding the Fourth Proportional to 1,614.42, 2,421.71 and 969.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,614.42 : 2,421.71 = 969.30 : x
2. Step 2: Convert to fraction form
   1,614.42/2,421.71 = 969.30/x
3. Step 3: Cross multiply
   1,614.42x = 2,421.71 × 969.30
4. Step 4: Simplify right side
   1,614.42x = 2,347,363.50
5. Step 5: Solve for x
   x = 2,347,363.50/1,614.42
6. Step 6: Final answer
   x = 1,454.00