Finding the Fourth Proportional to 11,516.98, 17,269.78 and 3,724.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,516.98 : 17,269.78 = 3,724.78 : x
2. Step 2: Convert to fraction form
   11,516.98/17,269.78 = 3,724.78/x
3. Step 3: Cross multiply
   11,516.98x = 17,269.78 × 3,724.78
4. Step 4: Simplify right side
   11,516.98x = 64,326,131.15
5. Step 5: Solve for x
   x = 64,326,131.15/11,516.98
6. Step 6: Final answer
   x = 5,585.33