Finding the Fourth Proportional to 11,994.12, 17,986.86 and 5,069.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,994.12 : 17,986.86 = 5,069.16 : x
2. Step 2: Convert to fraction form
   11,994.12/17,986.86 = 5,069.16/x
3. Step 3: Cross multiply
   11,994.12x = 17,986.86 × 5,069.16
4. Step 4: Simplify right side
   11,994.12x = 91,178,271.24
5. Step 5: Solve for x
   x = 91,178,271.24/11,994.12
6. Step 6: Final answer
   x = 7,601.91