Finding the Fourth Proportional to 9,853.71, 13,597.59 and 5,604.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,853.71 : 13,597.59 = 5,604.21 : x
2. Step 2: Convert to fraction form
   9,853.71/13,597.59 = 5,604.21/x
3. Step 3: Cross multiply
   9,853.71x = 13,597.59 × 5,604.21
4. Step 4: Simplify right side
   9,853.71x = 76,203,749.85
5. Step 5: Solve for x
   x = 76,203,749.85/9,853.71
6. Step 6: Final answer
   x = 7,733.51