Finding the Fourth Proportional to 13,955.55, 19,258.79 and 7,667.92

Step by Step Solution

1. Step 1: Write the proportion equation
   13,955.55 : 19,258.79 = 7,667.92 : x
2. Step 2: Convert to fraction form
   13,955.55/19,258.79 = 7,667.92/x
3. Step 3: Cross multiply
   13,955.55x = 19,258.79 × 7,667.92
4. Step 4: Simplify right side
   13,955.55x = 147,674,861.02
5. Step 5: Solve for x
   x = 147,674,861.02/13,955.55
6. Step 6: Final answer
   x = 10,581.80