Finding the Fourth Proportional to 1,496.16, 2,241.42 and 947.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,496.16 : 2,241.42 = 947.20 : x
2. Step 2: Convert to fraction form
   1,496.16/2,241.42 = 947.20/x
3. Step 3: Cross multiply
   1,496.16x = 2,241.42 × 947.20
4. Step 4: Simplify right side
   1,496.16x = 2,123,073.02
5. Step 5: Solve for x
   x = 2,123,073.02/1,496.16
6. Step 6: Final answer
   x = 1,419.01