Finding the Fourth Proportional to 9,636.05, 13,298.69 and 5,858.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,636.05 : 13,298.69 = 5,858.39 : x
2. Step 2: Convert to fraction form
   9,636.05/13,298.69 = 5,858.39/x
3. Step 3: Cross multiply
   9,636.05x = 13,298.69 × 5,858.39
4. Step 4: Simplify right side
   9,636.05x = 77,908,912.51
5. Step 5: Solve for x
   x = 77,908,912.51/9,636.05
6. Step 6: Final answer
   x = 8,085.15