Finding the Fourth Proportional to 13,872.02, 19,141.62 and 8,496.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,872.02 : 19,141.62 = 8,496.86 : x
2. Step 2: Convert to fraction form
   13,872.02/19,141.62 = 8,496.86/x
3. Step 3: Cross multiply
   13,872.02x = 19,141.62 × 8,496.86
4. Step 4: Simplify right side
   13,872.02x = 162,643,665.31
5. Step 5: Solve for x
   x = 162,643,665.31/13,872.02
6. Step 6: Final answer
   x = 11,724.58