Finding the Fourth Proportional to 9,739.59, 13,443.39 and 5,762.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,739.59 : 13,443.39 = 5,762.09 : x
2. Step 2: Convert to fraction form
   9,739.59/13,443.39 = 5,762.09/x
3. Step 3: Cross multiply
   9,739.59x = 13,443.39 × 5,762.09
4. Step 4: Simplify right side
   9,739.59x = 77,462,023.09
5. Step 5: Solve for x
   x = 77,462,023.09/9,739.59
6. Step 6: Final answer
   x = 7,953.31