Finding the Fourth Proportional to 101,022.15, 139,385.97 and 65,204.49

Step by Step Solution

1. Step 1: Write the proportion equation
   101,022.15 : 139,385.97 = 65,204.49 : x
2. Step 2: Convert to fraction form
   101,022.15/139,385.97 = 65,204.49/x
3. Step 3: Cross multiply
   101,022.15x = 139,385.97 × 65,204.49
4. Step 4: Simplify right side
   101,022.15x = 9,088,591,087.01
5. Step 5: Solve for x
   x = 9,088,591,087.01/101,022.15
6. Step 6: Final answer
   x = 89,966.32