Finding the Fourth Proportional to 2,128.02, 2,936.63 and 1,196.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.02 : 2,936.63 = 1,196.52 : x
2. Step 2: Convert to fraction form
   2,128.02/2,936.63 = 1,196.52/x
3. Step 3: Cross multiply
   2,128.02x = 2,936.63 × 1,196.52
4. Step 4: Simplify right side
   2,128.02x = 3,513,721.84
5. Step 5: Solve for x
   x = 3,513,721.84/2,128.02
6. Step 6: Final answer
   x = 1,651.17