Finding the Fourth Proportional to 9,599.72, 13,247.89 and 5,620.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,599.72 : 13,247.89 = 5,620.46 : x
2. Step 2: Convert to fraction form
   9,599.72/13,247.89 = 5,620.46/x
3. Step 3: Cross multiply
   9,599.72x = 13,247.89 × 5,620.46
4. Step 4: Simplify right side
   9,599.72x = 74,459,155.54
5. Step 5: Solve for x
   x = 74,459,155.54/9,599.72
6. Step 6: Final answer
   x = 7,756.39