Finding the Fourth Proportional to 23,556.48, 32,507.78 and 12,801.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,556.48 : 32,507.78 = 12,801.30 : x
2. Step 2: Convert to fraction form
   23,556.48/32,507.78 = 12,801.30/x
3. Step 3: Cross multiply
   23,556.48x = 32,507.78 × 12,801.30
4. Step 4: Simplify right side
   23,556.48x = 416,141,681.58
5. Step 5: Solve for x
   x = 416,141,681.58/23,556.48
6. Step 6: Final answer
   x = 17,665.70