Finding the Fourth Proportional to 20,152.56, 30,182.74 and 9,629.98

Step by Step Solution

1. Step 1: Write the proportion equation
   20,152.56 : 30,182.74 = 9,629.98 : x
2. Step 2: Convert to fraction form
   20,152.56/30,182.74 = 9,629.98/x
3. Step 3: Cross multiply
   20,152.56x = 30,182.74 × 9,629.98
4. Step 4: Simplify right side
   20,152.56x = 290,659,182.55
5. Step 5: Solve for x
   x = 290,659,182.55/20,152.56
6. Step 6: Final answer
   x = 14,422.94