Finding the Fourth Proportional to 23,330.48, 32,196.06 and 12,720.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,330.48 : 32,196.06 = 12,720.12 : x
2. Step 2: Convert to fraction form
   23,330.48/32,196.06 = 12,720.12/x
3. Step 3: Cross multiply
   23,330.48x = 32,196.06 × 12,720.12
4. Step 4: Simplify right side
   23,330.48x = 409,537,746.73
5. Step 5: Solve for x
   x = 409,537,746.73/23,330.48
6. Step 6: Final answer
   x = 17,553.76