Finding the Fourth Proportional to 14,453.27, 19,939.86 and 8,402.51

Step by Step Solution

1. Step 1: Write the proportion equation
   14,453.27 : 19,939.86 = 8,402.51 : x
2. Step 2: Convert to fraction form
   14,453.27/19,939.86 = 8,402.51/x
3. Step 3: Cross multiply
   14,453.27x = 19,939.86 × 8,402.51
4. Step 4: Simplify right side
   14,453.27x = 167,544,773.35
5. Step 5: Solve for x
   x = 167,544,773.35/14,453.27
6. Step 6: Final answer
   x = 11,592.17