Finding the Fourth Proportional to 23,277.98, 32,123.60 and 12,667.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,277.98 : 32,123.60 = 12,667.60 : x
2. Step 2: Convert to fraction form
   23,277.98/32,123.60 = 12,667.60/x
3. Step 3: Cross multiply
   23,277.98x = 32,123.60 × 12,667.60
4. Step 4: Simplify right side
   23,277.98x = 406,928,915.36
5. Step 5: Solve for x
   x = 406,928,915.36/23,277.98
6. Step 6: Final answer
   x = 17,481.28