Finding the Fourth Proportional to 11,433.96, 17,139.18 and 5,198.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,433.96 : 17,139.18 = 5,198.31 : x
2. Step 2: Convert to fraction form
   11,433.96/17,139.18 = 5,198.31/x
3. Step 3: Cross multiply
   11,433.96x = 17,139.18 × 5,198.31
4. Step 4: Simplify right side
   11,433.96x = 89,094,770.79
5. Step 5: Solve for x
   x = 89,094,770.79/11,433.96
6. Step 6: Final answer
   x = 7,792.12