Finding the Fourth Proportional to 9,685.56, 13,365.36 and 5,493

Step by Step Solution

1. Step 1: Write the proportion equation
   9,685.56 : 13,365.36 = 5,493 : x
2. Step 2: Convert to fraction form
   9,685.56/13,365.36 = 5,493/x
3. Step 3: Cross multiply
   9,685.56x = 13,365.36 × 5,493
4. Step 4: Simplify right side
   9,685.56x = 73,415,922.48
5. Step 5: Solve for x
   x = 73,415,922.48/9,685.56
6. Step 6: Final answer
   x = 7,579.94