Finding the Fourth Proportional to 9,666.58, 13,339.88 and 5,474.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,666.58 : 13,339.88 = 5,474.83 : x
2. Step 2: Convert to fraction form
   9,666.58/13,339.88 = 5,474.83/x
3. Step 3: Cross multiply
   9,666.58x = 13,339.88 × 5,474.83
4. Step 4: Simplify right side
   9,666.58x = 73,033,561.53
5. Step 5: Solve for x
   x = 73,033,561.53/9,666.58
6. Step 6: Final answer
   x = 7,555.26