Finding the Fourth Proportional to 282,451.50, 423,676.86 and 72,089.46

Step by Step Solution

1. Step 1: Write the proportion equation
   282,451.50 : 423,676.86 = 72,089.46 : x
2. Step 2: Convert to fraction form
   282,451.50/423,676.86 = 72,089.46/x
3. Step 3: Cross multiply
   282,451.50x = 423,676.86 × 72,089.46
4. Step 4: Simplify right side
   282,451.50x = 30,542,636,051.90
5. Step 5: Solve for x
   x = 30,542,636,051.90/282,451.50
6. Step 6: Final answer
   x = 108,134.09