Finding the Fourth Proportional to 19,892.59, 27,451.91 and 10,817.96

Step by Step Solution

1. Step 1: Write the proportion equation
   19,892.59 : 27,451.91 = 10,817.96 : x
2. Step 2: Convert to fraction form
   19,892.59/27,451.91 = 10,817.96/x
3. Step 3: Cross multiply
   19,892.59x = 27,451.91 × 10,817.96
4. Step 4: Simplify right side
   19,892.59x = 296,973,554.09
5. Step 5: Solve for x
   x = 296,973,554.09/19,892.59
6. Step 6: Final answer
   x = 14,928.85