Finding the Fourth Proportional to 23,469.57, 32,386.77 and 12,858.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,469.57 : 32,386.77 = 12,858.98 : x
2. Step 2: Convert to fraction form
   23,469.57/32,386.77 = 12,858.98/x
3. Step 3: Cross multiply
   23,469.57x = 32,386.77 × 12,858.98
4. Step 4: Simplify right side
   23,469.57x = 416,460,665.76
5. Step 5: Solve for x
   x = 416,460,665.76/23,469.57
6. Step 6: Final answer
   x = 17,744.71