Finding the Fourth Proportional to 35,582.72, 53,383.34 and 10,622.78

Step by Step Solution

1. Step 1: Write the proportion equation
   35,582.72 : 53,383.34 = 10,622.78 : x
2. Step 2: Convert to fraction form
   35,582.72/53,383.34 = 10,622.78/x
3. Step 3: Cross multiply
   35,582.72x = 53,383.34 × 10,622.78
4. Step 4: Simplify right side
   35,582.72x = 567,079,156.45
5. Step 5: Solve for x
   x = 567,079,156.45/35,582.72
6. Step 6: Final answer
   x = 15,936.93