Finding the Fourth Proportional to 35,906.78, 53,868.16 and 10,948.78

Step by Step Solution

1. Step 1: Write the proportion equation
   35,906.78 : 53,868.16 = 10,948.78 : x
2. Step 2: Convert to fraction form
   35,906.78/53,868.16 = 10,948.78/x
3. Step 3: Cross multiply
   35,906.78x = 53,868.16 × 10,948.78
4. Step 4: Simplify right side
   35,906.78x = 589,790,632.84
5. Step 5: Solve for x
   x = 589,790,632.84/35,906.78
6. Step 6: Final answer
   x = 16,425.61