Finding the Fourth Proportional to 282,467.89, 423,701.70 and 72,105.76

Step by Step Solution

1. Step 1: Write the proportion equation
   282,467.89 : 423,701.70 = 72,105.76 : x
2. Step 2: Convert to fraction form
   282,467.89/423,701.70 = 72,105.76/x
3. Step 3: Cross multiply
   282,467.89x = 423,701.70 × 72,105.76
4. Step 4: Simplify right side
   282,467.89x = 30,551,333,091.79
5. Step 5: Solve for x
   x = 30,551,333,091.79/282,467.89
6. Step 6: Final answer
   x = 108,158.61