Finding the Fourth Proportional to 11,976.12, 17,959.86 and 5,051.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,976.12 : 17,959.86 = 5,051.16 : x
2. Step 2: Convert to fraction form
   11,976.12/17,959.86 = 5,051.16/x
3. Step 3: Cross multiply
   11,976.12x = 17,959.86 × 5,051.16
4. Step 4: Simplify right side
   11,976.12x = 90,718,126.44
5. Step 5: Solve for x
   x = 90,718,126.44/11,976.12
6. Step 6: Final answer
   x = 7,574.92