Finding the Fourth Proportional to 14,111.56, 19,473.30 and 8,145.16

Step by Step Solution

1. Step 1: Write the proportion equation
   14,111.56 : 19,473.30 = 8,145.16 : x
2. Step 2: Convert to fraction form
   14,111.56/19,473.30 = 8,145.16/x
3. Step 3: Cross multiply
   14,111.56x = 19,473.30 × 8,145.16
4. Step 4: Simplify right side
   14,111.56x = 158,613,144.23
5. Step 5: Solve for x
   x = 158,613,144.23/14,111.56
6. Step 6: Final answer
   x = 11,239.94