Finding the Fourth Proportional to 2,128.32, 2,937.36 and 1,196.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.32 : 2,937.36 = 1,196.82 : x
2. Step 2: Convert to fraction form
   2,128.32/2,937.36 = 1,196.82/x
3. Step 3: Cross multiply
   2,128.32x = 2,937.36 × 1,196.82
4. Step 4: Simplify right side
   2,128.32x = 3,515,470.52
5. Step 5: Solve for x
   x = 3,515,470.52/2,128.32
6. Step 6: Final answer
   x = 1,651.76