Finding the Fourth Proportional to 72,469.53, 108,661.59 and 33,005.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,469.53 : 108,661.59 = 33,005.10 : x
2. Step 2: Convert to fraction form
   72,469.53/108,661.59 = 33,005.10/x
3. Step 3: Cross multiply
   72,469.53x = 108,661.59 × 33,005.10
4. Step 4: Simplify right side
   72,469.53x = 3,586,386,644.11
5. Step 5: Solve for x
   x = 3,586,386,644.11/72,469.53
6. Step 6: Final answer
   x = 49,488.20