Finding the Fourth Proportional to 36,507.34, 50,362.56 and 21,390.62

Step by Step Solution

1. Step 1: Write the proportion equation
   36,507.34 : 50,362.56 = 21,390.62 : x
2. Step 2: Convert to fraction form
   36,507.34/50,362.56 = 21,390.62/x
3. Step 3: Cross multiply
   36,507.34x = 50,362.56 × 21,390.62
4. Step 4: Simplify right side
   36,507.34x = 1,077,286,131.37
5. Step 5: Solve for x
   x = 1,077,286,131.37/36,507.34
6. Step 6: Final answer
   x = 29,508.75