Finding the Fourth Proportional to 23,469.54, 32,386.89 and 12,858.94

Step by Step Solution

1. Step 1: Write the proportion equation
   23,469.54 : 32,386.89 = 12,858.94 : x
2. Step 2: Convert to fraction form
   23,469.54/32,386.89 = 12,858.94/x
3. Step 3: Cross multiply
   23,469.54x = 32,386.89 × 12,858.94
4. Step 4: Simplify right side
   23,469.54x = 416,461,075.30
5. Step 5: Solve for x
   x = 416,461,075.30/23,469.54
6. Step 6: Final answer
   x = 17,744.75