Finding the Fourth Proportional to 23,258.78, 32,096.89 and 12,648.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,258.78 : 32,096.89 = 12,648.50 : x
2. Step 2: Convert to fraction form
   23,258.78/32,096.89 = 12,648.50/x
3. Step 3: Cross multiply
   23,258.78x = 32,096.89 × 12,648.50
4. Step 4: Simplify right side
   23,258.78x = 405,977,513.17
5. Step 5: Solve for x
   x = 405,977,513.17/23,258.78
6. Step 6: Final answer
   x = 17,454.81