Finding the Fourth Proportional to 9,921.60, 14,882.97 and 3,597.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,921.60 : 14,882.97 = 3,597.86 : x
2. Step 2: Convert to fraction form
   9,921.60/14,882.97 = 3,597.86/x
3. Step 3: Cross multiply
   9,921.60x = 14,882.97 × 3,597.86
4. Step 4: Simplify right side
   9,921.60x = 53,546,768.03
5. Step 5: Solve for x
   x = 53,546,768.03/9,921.60
6. Step 6: Final answer
   x = 5,396.99