Finding the Fourth Proportional to 36,345.98, 50,154.72 and 20,427.32

Step by Step Solution

1. Step 1: Write the proportion equation
   36,345.98 : 50,154.72 = 20,427.32 : x
2. Step 2: Convert to fraction form
   36,345.98/50,154.72 = 20,427.32/x
3. Step 3: Cross multiply
   36,345.98x = 50,154.72 × 20,427.32
4. Step 4: Simplify right side
   36,345.98x = 1,024,526,514.95
5. Step 5: Solve for x
   x = 1,024,526,514.95/36,345.98
6. Step 6: Final answer
   x = 28,188.17