Finding the Fourth Proportional to 9,709.86, 13,399.79 and 5,460.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,709.86 : 13,399.79 = 5,460.81 : x
2. Step 2: Convert to fraction form
   9,709.86/13,399.79 = 5,460.81/x
3. Step 3: Cross multiply
   9,709.86x = 13,399.79 × 5,460.81
4. Step 4: Simplify right side
   9,709.86x = 73,173,707.23
5. Step 5: Solve for x
   x = 73,173,707.23/9,709.86
6. Step 6: Final answer
   x = 7,536.02