Finding the Fourth Proportional to 14,404.09, 19,881.35 and 9,380.83

Step by Step Solution

1. Step 1: Write the proportion equation
   14,404.09 : 19,881.35 = 9,380.83 : x
2. Step 2: Convert to fraction form
   14,404.09/19,881.35 = 9,380.83/x
3. Step 3: Cross multiply
   14,404.09x = 19,881.35 × 9,380.83
4. Step 4: Simplify right side
   14,404.09x = 186,503,564.52
5. Step 5: Solve for x
   x = 186,503,564.52/14,404.09
6. Step 6: Final answer
   x = 12,947.96