Finding the Fourth Proportional to 13,955.72, 19,258.75 and 7,667.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,955.72 : 19,258.75 = 7,667.96 : x
2. Step 2: Convert to fraction form
   13,955.72/19,258.75 = 7,667.96/x
3. Step 3: Cross multiply
   13,955.72x = 19,258.75 × 7,667.96
4. Step 4: Simplify right side
   13,955.72x = 147,675,209.19
5. Step 5: Solve for x
   x = 147,675,209.19/13,955.72
6. Step 6: Final answer
   x = 10,581.70