Finding the Fourth Proportional to 5,189.33, 7,788.17 and 2,725.62

Step by Step Solution

1. Step 1: Write the proportion equation
   5,189.33 : 7,788.17 = 2,725.62 : x
2. Step 2: Convert to fraction form
   5,189.33/7,788.17 = 2,725.62/x
3. Step 3: Cross multiply
   5,189.33x = 7,788.17 × 2,725.62
4. Step 4: Simplify right side
   5,189.33x = 21,227,591.92
5. Step 5: Solve for x
   x = 21,227,591.92/5,189.33
6. Step 6: Final answer
   x = 4,090.62