Finding the Fourth Proportional to 12,098.70, 18,124.41 and 7,926.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,098.70 : 18,124.41 = 7,926.03 : x
2. Step 2: Convert to fraction form
   12,098.70/18,124.41 = 7,926.03/x
3. Step 3: Cross multiply
   12,098.70x = 18,124.41 × 7,926.03
4. Step 4: Simplify right side
   12,098.70x = 143,654,617.39
5. Step 5: Solve for x
   x = 143,654,617.39/12,098.70
6. Step 6: Final answer
   x = 11,873.56