Finding the Fourth Proportional to 9,607.28, 13,259.34 and 5,629.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,607.28 : 13,259.34 = 5,629.98 : x
2. Step 2: Convert to fraction form
   9,607.28/13,259.34 = 5,629.98/x
3. Step 3: Cross multiply
   9,607.28x = 13,259.34 × 5,629.98
4. Step 4: Simplify right side
   9,607.28x = 74,649,819.01
5. Step 5: Solve for x
   x = 74,649,819.01/9,607.28
6. Step 6: Final answer
   x = 7,770.13