Finding the Fourth Proportional to 47,629.68, 65,697.57 and 30,607.08

Step by Step Solution

1. Step 1: Write the proportion equation
   47,629.68 : 65,697.57 = 30,607.08 : x
2. Step 2: Convert to fraction form
   47,629.68/65,697.57 = 30,607.08/x
3. Step 3: Cross multiply
   47,629.68x = 65,697.57 × 30,607.08
4. Step 4: Simplify right side
   47,629.68x = 2,010,810,780.80
5. Step 5: Solve for x
   x = 2,010,810,780.80/47,629.68
6. Step 6: Final answer
   x = 42,217.60