Finding the Fourth Proportional to 14,434.08, 19,918.88 and 8,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,434.08 : 19,918.88 = 8,146.72 : x
2. Step 2: Convert to fraction form
   14,434.08/19,918.88 = 8,146.72/x
3. Step 3: Cross multiply
   14,434.08x = 19,918.88 × 8,146.72
4. Step 4: Simplify right side
   14,434.08x = 162,273,538.07
5. Step 5: Solve for x
   x = 162,273,538.07/14,434.08
6. Step 6: Final answer
   x = 11,242.39