Finding the Fourth Proportional to 9,091.02, 12,546.56 and 5,556.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,091.02 : 12,546.56 = 5,556.59 : x
2. Step 2: Convert to fraction form
   9,091.02/12,546.56 = 5,556.59/x
3. Step 3: Cross multiply
   9,091.02x = 12,546.56 × 5,556.59
4. Step 4: Simplify right side
   9,091.02x = 69,716,089.83
5. Step 5: Solve for x
   x = 69,716,089.83/9,091.02
6. Step 6: Final answer
   x = 7,668.68