Finding the Fourth Proportional to 12,243.01, 18,363.49 and 8,670.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,243.01 : 18,363.49 = 8,670.36 : x
2. Step 2: Convert to fraction form
   12,243.01/18,363.49 = 8,670.36/x
3. Step 3: Cross multiply
   12,243.01x = 18,363.49 × 8,670.36
4. Step 4: Simplify right side
   12,243.01x = 159,218,061.82
5. Step 5: Solve for x
   x = 159,218,061.82/12,243.01
6. Step 6: Final answer
   x = 13,004.81