Finding the Fourth Proportional to 9,860.10, 13,606.58 and 5,383.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,860.10 : 13,606.58 = 5,383.82 : x
2. Step 2: Convert to fraction form
   9,860.10/13,606.58 = 5,383.82/x
3. Step 3: Cross multiply
   9,860.10x = 13,606.58 × 5,383.82
4. Step 4: Simplify right side
   9,860.10x = 73,255,377.54
5. Step 5: Solve for x
   x = 73,255,377.54/9,860.10
6. Step 6: Final answer
   x = 7,429.48