Finding the Fourth Proportional to 76,627.82, 114,933.33 and 20,472.89

Step by Step Solution

1. Step 1: Write the proportion equation
   76,627.82 : 114,933.33 = 20,472.89 : x
2. Step 2: Convert to fraction form
   76,627.82/114,933.33 = 20,472.89/x
3. Step 3: Cross multiply
   76,627.82x = 114,933.33 × 20,472.89
4. Step 4: Simplify right side
   76,627.82x = 2,353,016,847.76
5. Step 5: Solve for x
   x = 2,353,016,847.76/76,627.82
6. Step 6: Final answer
   x = 30,707.08