Finding the Fourth Proportional to 13,111.44, 19,650.76 and 10,327.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,111.44 : 19,650.76 = 10,327.12 : x
2. Step 2: Convert to fraction form
   13,111.44/19,650.76 = 10,327.12/x
3. Step 3: Cross multiply
   13,111.44x = 19,650.76 × 10,327.12
4. Step 4: Simplify right side
   13,111.44x = 202,935,756.61
5. Step 5: Solve for x
   x = 202,935,756.61/13,111.44
6. Step 6: Final answer
   x = 15,477.76