Finding the Fourth Proportional to 23,468.39, 32,386.55 and 12,858.41

Step by Step Solution

1. Step 1: Write the proportion equation
   23,468.39 : 32,386.55 = 12,858.41 : x
2. Step 2: Convert to fraction form
   23,468.39/32,386.55 = 12,858.41/x
3. Step 3: Cross multiply
   23,468.39x = 32,386.55 × 12,858.41
4. Step 4: Simplify right side
   23,468.39x = 416,439,372.89
5. Step 5: Solve for x
   x = 416,439,372.89/23,468.39
6. Step 6: Final answer
   x = 17,744.69