Finding the Fourth Proportional to 47,480.99, 65,480.42 and 40,764.47

Step by Step Solution

1. Step 1: Write the proportion equation
   47,480.99 : 65,480.42 = 40,764.47 : x
2. Step 2: Convert to fraction form
   47,480.99/65,480.42 = 40,764.47/x
3. Step 3: Cross multiply
   47,480.99x = 65,480.42 × 40,764.47
4. Step 4: Simplify right side
   47,480.99x = 2,669,274,412.86
5. Step 5: Solve for x
   x = 2,669,274,412.86/47,480.99
6. Step 6: Final answer
   x = 56,217.75