Finding the Fourth Proportional to 9,859.51, 13,606.18 and 5,383.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,859.51 : 13,606.18 = 5,383.25 : x
2. Step 2: Convert to fraction form
   9,859.51/13,606.18 = 5,383.25/x
3. Step 3: Cross multiply
   9,859.51x = 13,606.18 × 5,383.25
4. Step 4: Simplify right side
   9,859.51x = 73,245,468.49
5. Step 5: Solve for x
   x = 73,245,468.49/9,859.51
6. Step 6: Final answer
   x = 7,428.92