Finding the Fourth Proportional to 54,390.69, 81,609.42 and 29,448.56

Step by Step Solution

1. Step 1: Write the proportion equation
   54,390.69 : 81,609.42 = 29,448.56 : x
2. Step 2: Convert to fraction form
   54,390.69/81,609.42 = 29,448.56/x
3. Step 3: Cross multiply
   54,390.69x = 81,609.42 × 29,448.56
4. Step 4: Simplify right side
   54,390.69x = 2,403,280,215.89
5. Step 5: Solve for x
   x = 2,403,280,215.89/54,390.69
6. Step 6: Final answer
   x = 44,185.51