Finding the Fourth Proportional to 47,581.61, 65,632.91 and 30,607.97

Step by Step Solution

1. Step 1: Write the proportion equation
   47,581.61 : 65,632.91 = 30,607.97 : x
2. Step 2: Convert to fraction form
   47,581.61/65,632.91 = 30,607.97/x
3. Step 3: Cross multiply
   47,581.61x = 65,632.91 × 30,607.97
4. Step 4: Simplify right side
   47,581.61x = 2,008,889,659.09
5. Step 5: Solve for x
   x = 2,008,889,659.09/47,581.61
6. Step 6: Final answer
   x = 42,219.88