Finding the Fourth Proportional to 35,642.76, 49,186.89 and 21,496.38

Step by Step Solution

1. Step 1: Write the proportion equation
   35,642.76 : 49,186.89 = 21,496.38 : x
2. Step 2: Convert to fraction form
   35,642.76/49,186.89 = 21,496.38/x
3. Step 3: Cross multiply
   35,642.76x = 49,186.89 × 21,496.38
4. Step 4: Simplify right side
   35,642.76x = 1,057,340,078.46
5. Step 5: Solve for x
   x = 1,057,340,078.46/35,642.76
6. Step 6: Final answer
   x = 29,664.93