Finding the Fourth Proportional to 23,488.55, 32,413.97 and 12,878.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,488.55 : 32,413.97 = 12,878.16 : x
2. Step 2: Convert to fraction form
   23,488.55/32,413.97 = 12,878.16/x
3. Step 3: Cross multiply
   23,488.55x = 32,413.97 × 12,878.16
4. Step 4: Simplify right side
   23,488.55x = 417,432,227.50
5. Step 5: Solve for x
   x = 417,432,227.50/23,488.55
6. Step 6: Final answer
   x = 17,771.74