Finding the Fourth Proportional to 54,665.42, 82,009.64 and 30,984.31

Step by Step Solution

1. Step 1: Write the proportion equation
   54,665.42 : 82,009.64 = 30,984.31 : x
2. Step 2: Convert to fraction form
   54,665.42/82,009.64 = 30,984.31/x
3. Step 3: Cross multiply
   54,665.42x = 82,009.64 × 30,984.31
4. Step 4: Simplify right side
   54,665.42x = 2,541,012,432.23
5. Step 5: Solve for x
   x = 2,541,012,432.23/54,665.42
6. Step 6: Final answer
   x = 46,482.99