Finding the Fourth Proportional to 5,707.88, 7,819.62 and 5,494.65

Step by Step Solution

1. Step 1: Write the proportion equation
   5,707.88 : 7,819.62 = 5,494.65 : x
2. Step 2: Convert to fraction form
   5,707.88/7,819.62 = 5,494.65/x
3. Step 3: Cross multiply
   5,707.88x = 7,819.62 × 5,494.65
4. Step 4: Simplify right side
   5,707.88x = 42,966,075.03
5. Step 5: Solve for x
   x = 42,966,075.03/5,707.88
6. Step 6: Final answer
   x = 7,527.51