Finding the Fourth Proportional to 19,779.38, 27,300 and 12,233.01

Step by Step Solution

1. Step 1: Write the proportion equation
   19,779.38 : 27,300 = 12,233.01 : x
2. Step 2: Convert to fraction form
   19,779.38/27,300 = 12,233.01/x
3. Step 3: Cross multiply
   19,779.38x = 27,300 × 12,233.01
4. Step 4: Simplify right side
   19,779.38x = 333,961,173
5. Step 5: Solve for x
   x = 333,961,173/19,779.38
6. Step 6: Final answer
   x = 16,884.31