Finding the Fourth Proportional to 12,091.04, 18,134.31 and 5,069.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,091.04 : 18,134.31 = 5,069.15 : x
2. Step 2: Convert to fraction form
   12,091.04/18,134.31 = 5,069.15/x
3. Step 3: Cross multiply
   12,091.04x = 18,134.31 × 5,069.15
4. Step 4: Simplify right side
   12,091.04x = 91,925,537.54
5. Step 5: Solve for x
   x = 91,925,537.54/12,091.04
6. Step 6: Final answer
   x = 7,602.78