Finding the Fourth Proportional to 16,507.82, 22,780.86 and 9,434.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,507.82 : 22,780.86 = 9,434.48 : x
2. Step 2: Convert to fraction form
   16,507.82/22,780.86 = 9,434.48/x
3. Step 3: Cross multiply
   16,507.82x = 22,780.86 × 9,434.48
4. Step 4: Simplify right side
   16,507.82x = 214,925,568.05
5. Step 5: Solve for x
   x = 214,925,568.05/16,507.82
6. Step 6: Final answer
   x = 13,019.62