Finding the Fourth Proportional to 47,429.70, 65,462.18 and 30,455.39

Step by Step Solution

1. Step 1: Write the proportion equation
   47,429.70 : 65,462.18 = 30,455.39 : x
2. Step 2: Convert to fraction form
   47,429.70/65,462.18 = 30,455.39/x
3. Step 3: Cross multiply
   47,429.70x = 65,462.18 × 30,455.39
4. Step 4: Simplify right side
   47,429.70x = 1,993,676,233.53
5. Step 5: Solve for x
   x = 1,993,676,233.53/47,429.70
6. Step 6: Final answer
   x = 42,034.34