Finding the Fourth Proportional to 11,667.72, 17,511.70 and 6,124.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,667.72 : 17,511.70 = 6,124.98 : x
2. Step 2: Convert to fraction form
   11,667.72/17,511.70 = 6,124.98/x
3. Step 3: Cross multiply
   11,667.72x = 17,511.70 × 6,124.98
4. Step 4: Simplify right side
   11,667.72x = 107,258,812.27
5. Step 5: Solve for x
   x = 107,258,812.27/11,667.72
6. Step 6: Final answer
   x = 9,192.78