Finding the Fourth Proportional to 2,180.42, 3,269.97 and 947.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.42 : 3,269.97 = 947.52 : x
2. Step 2: Convert to fraction form
   2,180.42/3,269.97 = 947.52/x
3. Step 3: Cross multiply
   2,180.42x = 3,269.97 × 947.52
4. Step 4: Simplify right side
   2,180.42x = 3,098,361.97
5. Step 5: Solve for x
   x = 3,098,361.97/2,180.42
6. Step 6: Final answer
   x = 1,420.99