Finding the Fourth Proportional to 86,123.04, 118,960.02 and 65,856.84

Step by Step Solution

1. Step 1: Write the proportion equation
   86,123.04 : 118,960.02 = 65,856.84 : x
2. Step 2: Convert to fraction form
   86,123.04/118,960.02 = 65,856.84/x
3. Step 3: Cross multiply
   86,123.04x = 118,960.02 × 65,856.84
4. Step 4: Simplify right side
   86,123.04x = 7,834,331,003.54
5. Step 5: Solve for x
   x = 7,834,331,003.54/86,123.04
6. Step 6: Final answer
   x = 90,966.73