Finding the Fourth Proportional to 2,136.53, 2,947.37 and 1,663.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,136.53 : 2,947.37 = 1,663.59 : x
2. Step 2: Convert to fraction form
   2,136.53/2,947.37 = 1,663.59/x
3. Step 3: Cross multiply
   2,136.53x = 2,947.37 × 1,663.59
4. Step 4: Simplify right side
   2,136.53x = 4,903,206.94
5. Step 5: Solve for x
   x = 4,903,206.94/2,136.53
6. Step 6: Final answer
   x = 2,294.94