Finding the Fourth Proportional to 10,289.86, 15,436.71 and 3,369.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,289.86 : 15,436.71 = 3,369.22 : x
2. Step 2: Convert to fraction form
   10,289.86/15,436.71 = 3,369.22/x
3. Step 3: Cross multiply
   10,289.86x = 15,436.71 × 3,369.22
4. Step 4: Simplify right side
   10,289.86x = 52,009,672.07
5. Step 5: Solve for x
   x = 52,009,672.07/10,289.86
6. Step 6: Final answer
   x = 5,054.46