Finding the Fourth Proportional to 12,932.09, 19,381.38 and 5,427.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,932.09 : 19,381.38 = 5,427.14 : x
2. Step 2: Convert to fraction form
   12,932.09/19,381.38 = 5,427.14/x
3. Step 3: Cross multiply
   12,932.09x = 19,381.38 × 5,427.14
4. Step 4: Simplify right side
   12,932.09x = 105,185,345.39
5. Step 5: Solve for x
   x = 105,185,345.39/12,932.09
6. Step 6: Final answer
   x = 8,133.67