Finding the Fourth Proportional to 47,603.19, 65,662.72 and 30,629.58

Step by Step Solution

1. Step 1: Write the proportion equation
   47,603.19 : 65,662.72 = 30,629.58 : x
2. Step 2: Convert to fraction form
   47,603.19/65,662.72 = 30,629.58/x
3. Step 3: Cross multiply
   47,603.19x = 65,662.72 × 30,629.58
4. Step 4: Simplify right side
   47,603.19x = 2,011,221,212.45
5. Step 5: Solve for x
   x = 2,011,221,212.45/47,603.19
6. Step 6: Final answer
   x = 42,249.71