Finding the Fourth Proportional to 2,136.28, 2,947.02 and 1,663.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,136.28 : 2,947.02 = 1,663.34 : x
2. Step 2: Convert to fraction form
   2,136.28/2,947.02 = 1,663.34/x
3. Step 3: Cross multiply
   2,136.28x = 2,947.02 × 1,663.34
4. Step 4: Simplify right side
   2,136.28x = 4,901,896.25
5. Step 5: Solve for x
   x = 4,901,896.25/2,136.28
6. Step 6: Final answer
   x = 2,294.59