Finding the Fourth Proportional to 23,196.64, 32,009.20 and 13,126

Step by Step Solution

1. Step 1: Write the proportion equation
   23,196.64 : 32,009.20 = 13,126 : x
2. Step 2: Convert to fraction form
   23,196.64/32,009.20 = 13,126/x
3. Step 3: Cross multiply
   23,196.64x = 32,009.20 × 13,126
4. Step 4: Simplify right side
   23,196.64x = 420,152,759.20
5. Step 5: Solve for x
   x = 420,152,759.20/23,196.64
6. Step 6: Final answer
   x = 18,112.66