Finding the Fourth Proportional to 9,365.06, 12,924.17 and 5,386.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,365.06 : 12,924.17 = 5,386.17 : x
2. Step 2: Convert to fraction form
   9,365.06/12,924.17 = 5,386.17/x
3. Step 3: Cross multiply
   9,365.06x = 12,924.17 × 5,386.17
4. Step 4: Simplify right side
   9,365.06x = 69,611,809.04
5. Step 5: Solve for x
   x = 69,611,809.04/9,365.06
6. Step 6: Final answer
   x = 7,433.14