Finding the Fourth Proportional to 102,789.30, 154,208.49 and 32,668.74

Step by Step Solution

1. Step 1: Write the proportion equation
   102,789.30 : 154,208.49 = 32,668.74 : x
2. Step 2: Convert to fraction form
   102,789.30/154,208.49 = 32,668.74/x
3. Step 3: Cross multiply
   102,789.30x = 154,208.49 × 32,668.74
4. Step 4: Simplify right side
   102,789.30x = 5,037,797,065.60
5. Step 5: Solve for x
   x = 5,037,797,065.60/102,789.30
6. Step 6: Final answer
   x = 49,010.91