Finding the Fourth Proportional to 13,467.72, 18,588.18 and 7,880.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,467.72 : 18,588.18 = 7,880.52 : x
2. Step 2: Convert to fraction form
   13,467.72/18,588.18 = 7,880.52/x
3. Step 3: Cross multiply
   13,467.72x = 18,588.18 × 7,880.52
4. Step 4: Simplify right side
   13,467.72x = 146,484,524.25
5. Step 5: Solve for x
   x = 146,484,524.25/13,467.72
6. Step 6: Final answer
   x = 10,876.71