Finding the Fourth Proportional to 47,768.22, 65,923.98 and 30,807.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,768.22 : 65,923.98 = 30,807.72 : x
2. Step 2: Convert to fraction form
   47,768.22/65,923.98 = 30,807.72/x
3. Step 3: Cross multiply
   47,768.22x = 65,923.98 × 30,807.72
4. Step 4: Simplify right side
   47,768.22x = 2,030,967,517.13
5. Step 5: Solve for x
   x = 2,030,967,517.13/47,768.22
6. Step 6: Final answer
   x = 42,517.13