Finding the Fourth Proportional to 9,731.81, 13,429.92 and 5,540.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,731.81 : 13,429.92 = 5,540.06 : x
2. Step 2: Convert to fraction form
   9,731.81/13,429.92 = 5,540.06/x
3. Step 3: Cross multiply
   9,731.81x = 13,429.92 × 5,540.06
4. Step 4: Simplify right side
   9,731.81x = 74,402,575.39
5. Step 5: Solve for x
   x = 74,402,575.39/9,731.81
6. Step 6: Final answer
   x = 7,645.29