Finding the Fourth Proportional to 23,558.48, 32,510.54 and 12,803.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,558.48 : 32,510.54 = 12,803.30 : x
2. Step 2: Convert to fraction form
   23,558.48/32,510.54 = 12,803.30/x
3. Step 3: Cross multiply
   23,558.48x = 32,510.54 × 12,803.30
4. Step 4: Simplify right side
   23,558.48x = 416,242,196.78
5. Step 5: Solve for x
   x = 416,242,196.78/23,558.48
6. Step 6: Final answer
   x = 17,668.47