Finding the Fourth Proportional to 54,339.30, 74,991.33 and 30,464.82

Step by Step Solution

1. Step 1: Write the proportion equation
   54,339.30 : 74,991.33 = 30,464.82 : x
2. Step 2: Convert to fraction form
   54,339.30/74,991.33 = 30,464.82/x
3. Step 3: Cross multiply
   54,339.30x = 74,991.33 × 30,464.82
4. Step 4: Simplify right side
   54,339.30x = 2,284,597,370.01
5. Step 5: Solve for x
   x = 2,284,597,370.01/54,339.30
6. Step 6: Final answer
   x = 42,043.19