Finding the Fourth Proportional to 9,709.88, 13,395.86 and 5,459.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,709.88 : 13,395.86 = 5,459.96 : x
2. Step 2: Convert to fraction form
   9,709.88/13,395.86 = 5,459.96/x
3. Step 3: Cross multiply
   9,709.88x = 13,395.86 × 5,459.96
4. Step 4: Simplify right side
   9,709.88x = 73,140,865.96
5. Step 5: Solve for x
   x = 73,140,865.96/9,709.88
6. Step 6: Final answer
   x = 7,532.62