Finding the Fourth Proportional to 20,066.55, 30,081.89 and 9,530.07

Step by Step Solution

1. Step 1: Write the proportion equation
   20,066.55 : 30,081.89 = 9,530.07 : x
2. Step 2: Convert to fraction form
   20,066.55/30,081.89 = 9,530.07/x
3. Step 3: Cross multiply
   20,066.55x = 30,081.89 × 9,530.07
4. Step 4: Simplify right side
   20,066.55x = 286,682,319.37
5. Step 5: Solve for x
   x = 286,682,319.37/20,066.55
6. Step 6: Final answer
   x = 14,286.58