Finding the Fourth Proportional to 101,108.97, 139,502.39 and 65,300.49

Step by Step Solution

1. Step 1: Write the proportion equation
   101,108.97 : 139,502.39 = 65,300.49 : x
2. Step 2: Convert to fraction form
   101,108.97/139,502.39 = 65,300.49/x
3. Step 3: Cross multiply
   101,108.97x = 139,502.39 × 65,300.49
4. Step 4: Simplify right side
   101,108.97x = 9,109,574,096.67
5. Step 5: Solve for x
   x = 9,109,574,096.67/101,108.97
6. Step 6: Final answer
   x = 90,096.60