Finding the Fourth Proportional to 13,955.59, 19,258.57 and 7,667.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,955.59 : 19,258.57 = 7,667.83 : x
2. Step 2: Convert to fraction form
   13,955.59/19,258.57 = 7,667.83/x
3. Step 3: Cross multiply
   13,955.59x = 19,258.57 × 7,667.83
4. Step 4: Simplify right side
   13,955.59x = 147,671,440.80
5. Step 5: Solve for x
   x = 147,671,440.80/13,955.59
6. Step 6: Final answer
   x = 10,581.53