Finding the Fourth Proportional to 19,091.30, 28,589.18 and 12,050.06

Step by Step Solution

1. Step 1: Write the proportion equation
   19,091.30 : 28,589.18 = 12,050.06 : x
2. Step 2: Convert to fraction form
   19,091.30/28,589.18 = 12,050.06/x
3. Step 3: Cross multiply
   19,091.30x = 28,589.18 × 12,050.06
4. Step 4: Simplify right side
   19,091.30x = 344,501,131.15
5. Step 5: Solve for x
   x = 344,501,131.15/19,091.30
6. Step 6: Final answer
   x = 18,044.93