Finding the Fourth Proportional to 13,109.02, 19,668.73 and 4,789.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,109.02 : 19,668.73 = 4,789.58 : x
2. Step 2: Convert to fraction form
   13,109.02/19,668.73 = 4,789.58/x
3. Step 3: Cross multiply
   13,109.02x = 19,668.73 × 4,789.58
4. Step 4: Simplify right side
   13,109.02x = 94,204,955.83
5. Step 5: Solve for x
   x = 94,204,955.83/13,109.02
6. Step 6: Final answer
   x = 7,186.27