Finding the Fourth Proportional to 13,955.50, 19,258.72 and 7,668.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,955.50 : 19,258.72 = 7,668.02 : x
2. Step 2: Convert to fraction form
   13,955.50/19,258.72 = 7,668.02/x
3. Step 3: Cross multiply
   13,955.50x = 19,258.72 × 7,668.02
4. Step 4: Simplify right side
   13,955.50x = 147,676,250.13
5. Step 5: Solve for x
   x = 147,676,250.13/13,955.50
6. Step 6: Final answer
   x = 10,581.94