Finding the Fourth Proportional to 53,942.20, 74,439.56 and 30,068.82

Step by Step Solution

1. Step 1: Write the proportion equation
   53,942.20 : 74,439.56 = 30,068.82 : x
2. Step 2: Convert to fraction form
   53,942.20/74,439.56 = 30,068.82/x
3. Step 3: Cross multiply
   53,942.20x = 74,439.56 × 30,068.82
4. Step 4: Simplify right side
   53,942.20x = 2,238,309,636.55
5. Step 5: Solve for x
   x = 2,238,309,636.55/53,942.20
6. Step 6: Final answer
   x = 41,494.59