Finding the Fourth Proportional to 19,196.04, 26,489.50 and 10,812

Step by Step Solution

1. Step 1: Write the proportion equation
   19,196.04 : 26,489.50 = 10,812 : x
2. Step 2: Convert to fraction form
   19,196.04/26,489.50 = 10,812/x
3. Step 3: Cross multiply
   19,196.04x = 26,489.50 × 10,812
4. Step 4: Simplify right side
   19,196.04x = 286,404,474
5. Step 5: Solve for x
   x = 286,404,474/19,196.04
6. Step 6: Final answer
   x = 14,919.98