Finding the Fourth Proportional to 79,716.82, 109,889 and 65,545.06

Step by Step Solution

1. Step 1: Write the proportion equation
   79,716.82 : 109,889 = 65,545.06 : x
2. Step 2: Convert to fraction form
   79,716.82/109,889 = 65,545.06/x
3. Step 3: Cross multiply
   79,716.82x = 109,889 × 65,545.06
4. Step 4: Simplify right side
   79,716.82x = 7,202,681,098.34
5. Step 5: Solve for x
   x = 7,202,681,098.34/79,716.82
6. Step 6: Final answer
   x = 90,353.34