Finding the Fourth Proportional to 12,567.94, 17,338.89 and 8,091.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,567.94 : 17,338.89 = 8,091.07 : x
2. Step 2: Convert to fraction form
   12,567.94/17,338.89 = 8,091.07/x
3. Step 3: Cross multiply
   12,567.94x = 17,338.89 × 8,091.07
4. Step 4: Simplify right side
   12,567.94x = 140,290,172.71
5. Step 5: Solve for x
   x = 140,290,172.71/12,567.94
6. Step 6: Final answer
   x = 11,162.54