Finding the Fourth Proportional to 7,992.43, 11,017.71 and 5,159.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,992.43 : 11,017.71 = 5,159.59 : x
2. Step 2: Convert to fraction form
   7,992.43/11,017.71 = 5,159.59/x
3. Step 3: Cross multiply
   7,992.43x = 11,017.71 × 5,159.59
4. Step 4: Simplify right side
   7,992.43x = 56,846,866.34
5. Step 5: Solve for x
   x = 56,846,866.34/7,992.43
6. Step 6: Final answer
   x = 7,112.59