Finding the Fourth Proportional to 39,788.89, 54,898.73 and 25,624.69

Step by Step Solution

1. Step 1: Write the proportion equation
   39,788.89 : 54,898.73 = 25,624.69 : x
2. Step 2: Convert to fraction form
   39,788.89/54,898.73 = 25,624.69/x
3. Step 3: Cross multiply
   39,788.89x = 54,898.73 × 25,624.69
4. Step 4: Simplify right side
   39,788.89x = 1,406,762,768.37
5. Step 5: Solve for x
   x = 1,406,762,768.37/39,788.89
6. Step 6: Final answer
   x = 35,355.67