Finding the Fourth Proportional to 14,168.27, 19,551.69 and 7,880.51

Step by Step Solution

1. Step 1: Write the proportion equation
   14,168.27 : 19,551.69 = 7,880.51 : x
2. Step 2: Convert to fraction form
   14,168.27/19,551.69 = 7,880.51/x
3. Step 3: Cross multiply
   14,168.27x = 19,551.69 × 7,880.51
4. Step 4: Simplify right side
   14,168.27x = 154,077,288.56
5. Step 5: Solve for x
   x = 154,077,288.56/14,168.27
6. Step 6: Final answer
   x = 10,874.81