Finding the Fourth Proportional to 9,730.98, 13,429.89 and 5,539.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,730.98 : 13,429.89 = 5,539.86 : x
2. Step 2: Convert to fraction form
   9,730.98/13,429.89 = 5,539.86/x
3. Step 3: Cross multiply
   9,730.98x = 13,429.89 × 5,539.86
4. Step 4: Simplify right side
   9,730.98x = 74,399,710.42
5. Step 5: Solve for x
   x = 74,399,710.42/9,730.98
6. Step 6: Final answer
   x = 7,645.65