Finding the Fourth Proportional to 9,729.32, 13,426.98 and 5,538.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,729.32 : 13,426.98 = 5,538.92 : x
2. Step 2: Convert to fraction form
   9,729.32/13,426.98 = 5,538.92/x
3. Step 3: Cross multiply
   9,729.32x = 13,426.98 × 5,538.92
4. Step 4: Simplify right side
   9,729.32x = 74,370,968.06
5. Step 5: Solve for x
   x = 74,370,968.06/9,729.32
6. Step 6: Final answer
   x = 7,644.00