Finding the Fourth Proportional to 12,926.14, 19,363.83 and 8,530.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,926.14 : 19,363.83 = 8,530.18 : x
2. Step 2: Convert to fraction form
   12,926.14/19,363.83 = 8,530.18/x
3. Step 3: Cross multiply
   12,926.14x = 19,363.83 × 8,530.18
4. Step 4: Simplify right side
   12,926.14x = 165,176,955.39
5. Step 5: Solve for x
   x = 165,176,955.39/12,926.14
6. Step 6: Final answer
   x = 12,778.52