Finding the Fourth Proportional to 35,369.70, 48,788.83 and 21,760.06

Step by Step Solution

1. Step 1: Write the proportion equation
   35,369.70 : 48,788.83 = 21,760.06 : x
2. Step 2: Convert to fraction form
   35,369.70/48,788.83 = 21,760.06/x
3. Step 3: Cross multiply
   35,369.70x = 48,788.83 × 21,760.06
4. Step 4: Simplify right side
   35,369.70x = 1,061,647,864.84
5. Step 5: Solve for x
   x = 1,061,647,864.84/35,369.70
6. Step 6: Final answer
   x = 30,015.75