Finding the Fourth Proportional to 54,933.72, 82,399.98 and 41,688.09

Step by Step Solution

1. Step 1: Write the proportion equation
   54,933.72 : 82,399.98 = 41,688.09 : x
2. Step 2: Convert to fraction form
   54,933.72/82,399.98 = 41,688.09/x
3. Step 3: Cross multiply
   54,933.72x = 82,399.98 × 41,688.09
4. Step 4: Simplify right side
   54,933.72x = 3,435,097,782.24
5. Step 5: Solve for x
   x = 3,435,097,782.24/54,933.72
6. Step 6: Final answer
   x = 62,531.68