Finding the Fourth Proportional to 35,908, 49,556.32 and 21,004

Step by Step Solution

1. Step 1: Write the proportion equation
   35,908 : 49,556.32 = 21,004 : x
2. Step 2: Convert to fraction form
   35,908/49,556.32 = 21,004/x
3. Step 3: Cross multiply
   35,908x = 49,556.32 × 21,004
4. Step 4: Simplify right side
   35,908x = 1,040,880,945.28
5. Step 5: Solve for x
   x = 1,040,880,945.28/35,908
6. Step 6: Final answer
   x = 28,987.44