Finding the Fourth Proportional to 2,128, 2,936.76 and 1,196.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128 : 2,936.76 = 1,196.50 : x
2. Step 2: Convert to fraction form
   2,128/2,936.76 = 1,196.50/x
3. Step 3: Cross multiply
   2,128x = 2,936.76 × 1,196.50
4. Step 4: Simplify right side
   2,128x = 3,513,833.34
5. Step 5: Solve for x
   x = 3,513,833.34/2,128
6. Step 6: Final answer
   x = 1,651.24