Finding the Fourth Proportional to 23,667.47, 32,659.43 and 13,320.74

Step by Step Solution

1. Step 1: Write the proportion equation
   23,667.47 : 32,659.43 = 13,320.74 : x
2. Step 2: Convert to fraction form
   23,667.47/32,659.43 = 13,320.74/x
3. Step 3: Cross multiply
   23,667.47x = 32,659.43 × 13,320.74
4. Step 4: Simplify right side
   23,667.47x = 435,047,645.58
5. Step 5: Solve for x
   x = 435,047,645.58/23,667.47
6. Step 6: Final answer
   x = 18,381.67