Finding the Fourth Proportional to 101,104.06, 139,568.34 and 65,311.52

Step by Step Solution

1. Step 1: Write the proportion equation
   101,104.06 : 139,568.34 = 65,311.52 : x
2. Step 2: Convert to fraction form
   101,104.06/139,568.34 = 65,311.52/x
3. Step 3: Cross multiply
   101,104.06x = 139,568.34 × 65,311.52
4. Step 4: Simplify right side
   101,104.06x = 9,115,420,429.28
5. Step 5: Solve for x
   x = 9,115,420,429.28/101,104.06
6. Step 6: Final answer
   x = 90,158.80