Finding the Fourth Proportional to 36,897.04, 50,924.42 and 21,788.72

Step by Step Solution

1. Step 1: Write the proportion equation
   36,897.04 : 50,924.42 = 21,788.72 : x
2. Step 2: Convert to fraction form
   36,897.04/50,924.42 = 21,788.72/x
3. Step 3: Cross multiply
   36,897.04x = 50,924.42 × 21,788.72
4. Step 4: Simplify right side
   36,897.04x = 1,109,577,928.54
5. Step 5: Solve for x
   x = 1,109,577,928.54/36,897.04
6. Step 6: Final answer
   x = 30,072.27