Finding the Fourth Proportional to 47,426.77, 65,479.46 and 30,438.34

Step by Step Solution

1. Step 1: Write the proportion equation
   47,426.77 : 65,479.46 = 30,438.34 : x
2. Step 2: Convert to fraction form
   47,426.77/65,479.46 = 30,438.34/x
3. Step 3: Cross multiply
   47,426.77x = 65,479.46 × 30,438.34
4. Step 4: Simplify right side
   47,426.77x = 1,993,086,066.50
5. Step 5: Solve for x
   x = 1,993,086,066.50/47,426.77
6. Step 6: Final answer
   x = 42,024.50