Finding the Fourth Proportional to 9,705.34, 13,388.11 and 8,016.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,705.34 : 13,388.11 = 8,016.76 : x
2. Step 2: Convert to fraction form
   9,705.34/13,388.11 = 8,016.76/x
3. Step 3: Cross multiply
   9,705.34x = 13,388.11 × 8,016.76
4. Step 4: Simplify right side
   9,705.34x = 107,329,264.72
5. Step 5: Solve for x
   x = 107,329,264.72/9,705.34
6. Step 6: Final answer
   x = 11,058.78