Finding the Fourth Proportional to 13,304.57, 18,363.84 and 7,858.41

Step by Step Solution

1. Step 1: Write the proportion equation
   13,304.57 : 18,363.84 = 7,858.41 : x
2. Step 2: Convert to fraction form
   13,304.57/18,363.84 = 7,858.41/x
3. Step 3: Cross multiply
   13,304.57x = 18,363.84 × 7,858.41
4. Step 4: Simplify right side
   13,304.57x = 144,310,583.89
5. Step 5: Solve for x
   x = 144,310,583.89/13,304.57
6. Step 6: Final answer
   x = 10,846.69