Finding the Fourth Proportional to 14,168.35, 19,551.54 and 7,880.32

Step by Step Solution

1. Step 1: Write the proportion equation
   14,168.35 : 19,551.54 = 7,880.32 : x
2. Step 2: Convert to fraction form
   14,168.35/19,551.54 = 7,880.32/x
3. Step 3: Cross multiply
   14,168.35x = 19,551.54 × 7,880.32
4. Step 4: Simplify right side
   14,168.35x = 154,072,391.69
5. Step 5: Solve for x
   x = 154,072,391.69/14,168.35
6. Step 6: Final answer
   x = 10,874.41