Finding the Fourth Proportional to 36,951.12, 55,449.72 and 21,399.12

Step by Step Solution

1. Step 1: Write the proportion equation
   36,951.12 : 55,449.72 = 21,399.12 : x
2. Step 2: Convert to fraction form
   36,951.12/55,449.72 = 21,399.12/x
3. Step 3: Cross multiply
   36,951.12x = 55,449.72 × 21,399.12
4. Step 4: Simplify right side
   36,951.12x = 1,186,575,212.25
5. Step 5: Solve for x
   x = 1,186,575,212.25/36,951.12
6. Step 6: Final answer
   x = 32,112.02