Finding the Fourth Proportional to 16,875.98, 23,290.86 and 12,401.26

Step by Step Solution

1. Step 1: Write the proportion equation
   16,875.98 : 23,290.86 = 12,401.26 : x
2. Step 2: Convert to fraction form
   16,875.98/23,290.86 = 12,401.26/x
3. Step 3: Cross multiply
   16,875.98x = 23,290.86 × 12,401.26
4. Step 4: Simplify right side
   16,875.98x = 288,836,010.48
5. Step 5: Solve for x
   x = 288,836,010.48/16,875.98
6. Step 6: Final answer
   x = 17,115.21