Finding the Fourth Proportional to 23,490, 32,413.23 and 12,876.84

Step by Step Solution

1. Step 1: Write the proportion equation
   23,490 : 32,413.23 = 12,876.84 : x
2. Step 2: Convert to fraction form
   23,490/32,413.23 = 12,876.84/x
3. Step 3: Cross multiply
   23,490x = 32,413.23 × 12,876.84
4. Step 4: Simplify right side
   23,490x = 417,379,976.59
5. Step 5: Solve for x
   x = 417,379,976.59/23,490
6. Step 6: Final answer
   x = 17,768.41