Finding the Fourth Proportional to 54,335.16, 74,982.78 and 30,462.84

Step by Step Solution

1. Step 1: Write the proportion equation
   54,335.16 : 74,982.78 = 30,462.84 : x
2. Step 2: Convert to fraction form
   54,335.16/74,982.78 = 30,462.84/x
3. Step 3: Cross multiply
   54,335.16x = 74,982.78 × 30,462.84
4. Step 4: Simplify right side
   54,335.16x = 2,284,188,429.90
5. Step 5: Solve for x
   x = 2,284,188,429.90/54,335.16
6. Step 6: Final answer
   x = 42,038.86