Finding the Fourth Proportional to 47,768.22, 65,924.10 and 30,807.78

Step by Step Solution

1. Step 1: Write the proportion equation
   47,768.22 : 65,924.10 = 30,807.78 : x
2. Step 2: Convert to fraction form
   47,768.22/65,924.10 = 30,807.78/x
3. Step 3: Cross multiply
   47,768.22x = 65,924.10 × 30,807.78
4. Step 4: Simplify right side
   47,768.22x = 2,030,975,169.50
5. Step 5: Solve for x
   x = 2,030,975,169.50/47,768.22
6. Step 6: Final answer
   x = 42,517.29