Finding the Fourth Proportional to 14,196.59, 19,580.87 and 9,158.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,196.59 : 19,580.87 = 9,158.25 : x
2. Step 2: Convert to fraction form
   14,196.59/19,580.87 = 9,158.25/x
3. Step 3: Cross multiply
   14,196.59x = 19,580.87 × 9,158.25
4. Step 4: Simplify right side
   14,196.59x = 179,326,502.68
5. Step 5: Solve for x
   x = 179,326,502.68/14,196.59
6. Step 6: Final answer
   x = 12,631.66