Finding the Fourth Proportional to 9,326.58, 12,870.37 and 5,548.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,326.58 : 12,870.37 = 5,548.88 : x
2. Step 2: Convert to fraction form
   9,326.58/12,870.37 = 5,548.88/x
3. Step 3: Cross multiply
   9,326.58x = 12,870.37 × 5,548.88
4. Step 4: Simplify right side
   9,326.58x = 71,416,138.69
5. Step 5: Solve for x
   x = 71,416,138.69/9,326.58
6. Step 6: Final answer
   x = 7,657.27