Finding the Fourth Proportional to 36,870.42, 50,884.83 and 21,768.06

Step by Step Solution

1. Step 1: Write the proportion equation
   36,870.42 : 50,884.83 = 21,768.06 : x
2. Step 2: Convert to fraction form
   36,870.42/50,884.83 = 21,768.06/x
3. Step 3: Cross multiply
   36,870.42x = 50,884.83 × 21,768.06
4. Step 4: Simplify right side
   36,870.42x = 1,107,664,032.53
5. Step 5: Solve for x
   x = 1,107,664,032.53/36,870.42
6. Step 6: Final answer
   x = 30,042.08