Finding the Fourth Proportional to 36,322.38, 50,129.69 and 20,407.59

Step by Step Solution

1. Step 1: Write the proportion equation
   36,322.38 : 50,129.69 = 20,407.59 : x
2. Step 2: Convert to fraction form
   36,322.38/50,129.69 = 20,407.59/x
3. Step 3: Cross multiply
   36,322.38x = 50,129.69 × 20,407.59
4. Step 4: Simplify right side
   36,322.38x = 1,023,026,058.31
5. Step 5: Solve for x
   x = 1,023,026,058.31/36,322.38
6. Step 6: Final answer
   x = 28,165.17