Finding the Fourth Proportional to 9,731.69, 13,429.75 and 5,539.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,731.69 : 13,429.75 = 5,539.94 : x
2. Step 2: Convert to fraction form
   9,731.69/13,429.75 = 5,539.94/x
3. Step 3: Cross multiply
   9,731.69x = 13,429.75 × 5,539.94
4. Step 4: Simplify right side
   9,731.69x = 74,399,947.94
5. Step 5: Solve for x
   x = 74,399,947.94/9,731.69
6. Step 6: Final answer
   x = 7,645.12