Finding the Fourth Proportional to 11,103.97, 16,667.81 and 4,781.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,103.97 : 16,667.81 = 4,781.98 : x
2. Step 2: Convert to fraction form
   11,103.97/16,667.81 = 4,781.98/x
3. Step 3: Cross multiply
   11,103.97x = 16,667.81 × 4,781.98
4. Step 4: Simplify right side
   11,103.97x = 79,705,134.06
5. Step 5: Solve for x
   x = 79,705,134.06/11,103.97
6. Step 6: Final answer
   x = 7,178.08