Finding the Fourth Proportional to 19,814.27, 27,343.42 and 10,861.76

Step by Step Solution

1. Step 1: Write the proportion equation
   19,814.27 : 27,343.42 = 10,861.76 : x
2. Step 2: Convert to fraction form
   19,814.27/27,343.42 = 10,861.76/x
3. Step 3: Cross multiply
   19,814.27x = 27,343.42 × 10,861.76
4. Step 4: Simplify right side
   19,814.27x = 296,997,706.82
5. Step 5: Solve for x
   x = 296,997,706.82/19,814.27
6. Step 6: Final answer
   x = 14,989.09