Finding the Fourth Proportional to 9,804.88, 13,531.42 and 5,555.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,804.88 : 13,531.42 = 5,555.92 : x
2. Step 2: Convert to fraction form
   9,804.88/13,531.42 = 5,555.92/x
3. Step 3: Cross multiply
   9,804.88x = 13,531.42 × 5,555.92
4. Step 4: Simplify right side
   9,804.88x = 75,179,487.01
5. Step 5: Solve for x
   x = 75,179,487.01/9,804.88
6. Step 6: Final answer
   x = 7,667.56