Finding the Fourth Proportional to 101,075.88, 139,529.54 and 65,283.34

Step by Step Solution

1. Step 1: Write the proportion equation
   101,075.88 : 139,529.54 = 65,283.34 : x
2. Step 2: Convert to fraction form
   101,075.88/139,529.54 = 65,283.34/x
3. Step 3: Cross multiply
   101,075.88x = 139,529.54 × 65,283.34
4. Step 4: Simplify right side
   101,075.88x = 9,108,954,399.86
5. Step 5: Solve for x
   x = 9,108,954,399.86/101,075.88
6. Step 6: Final answer
   x = 90,119.96