Finding the Fourth Proportional to 35,662.47, 49,210.78 and 21,319.46

Step by Step Solution

1. Step 1: Write the proportion equation
   35,662.47 : 49,210.78 = 21,319.46 : x
2. Step 2: Convert to fraction form
   35,662.47/49,210.78 = 21,319.46/x
3. Step 3: Cross multiply
   35,662.47x = 49,210.78 × 21,319.46
4. Step 4: Simplify right side
   35,662.47x = 1,049,147,255.78
5. Step 5: Solve for x
   x = 1,049,147,255.78/35,662.47
6. Step 6: Final answer
   x = 29,418.81