Finding the Fourth Proportional to 13,065.68, 19,588.80 and 5,668.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,065.68 : 19,588.80 = 5,668.76 : x
2. Step 2: Convert to fraction form
   13,065.68/19,588.80 = 5,668.76/x
3. Step 3: Cross multiply
   13,065.68x = 19,588.80 × 5,668.76
4. Step 4: Simplify right side
   13,065.68x = 111,044,205.89
5. Step 5: Solve for x
   x = 111,044,205.89/13,065.68
6. Step 6: Final answer
   x = 8,498.92