Finding the Fourth Proportional to 47,425.69, 65,417.59 and 30,412.05

Step by Step Solution

1. Step 1: Write the proportion equation
   47,425.69 : 65,417.59 = 30,412.05 : x
2. Step 2: Convert to fraction form
   47,425.69/65,417.59 = 30,412.05/x
3. Step 3: Cross multiply
   47,425.69x = 65,417.59 × 30,412.05
4. Step 4: Simplify right side
   47,425.69x = 1,989,483,017.96
5. Step 5: Solve for x
   x = 1,989,483,017.96/47,425.69
6. Step 6: Final answer
   x = 41,949.48