Finding the Fourth Proportional to 14,401.09, 19,892.59 and 11,085.05

Step by Step Solution

1. Step 1: Write the proportion equation
   14,401.09 : 19,892.59 = 11,085.05 : x
2. Step 2: Convert to fraction form
   14,401.09/19,892.59 = 11,085.05/x
3. Step 3: Cross multiply
   14,401.09x = 19,892.59 × 11,085.05
4. Step 4: Simplify right side
   14,401.09x = 220,510,376.80
5. Step 5: Solve for x
   x = 220,510,376.80/14,401.09
6. Step 6: Final answer
   x = 15,312.06