Finding the Fourth Proportional to 101,015.06, 139,417.22 and 60,769.51

Step by Step Solution

1. Step 1: Write the proportion equation
   101,015.06 : 139,417.22 = 60,769.51 : x
2. Step 2: Convert to fraction form
   101,015.06/139,417.22 = 60,769.51/x
3. Step 3: Cross multiply
   101,015.06x = 139,417.22 × 60,769.51
4. Step 4: Simplify right side
   101,015.06x = 8,472,315,948.34
5. Step 5: Solve for x
   x = 8,472,315,948.34/101,015.06
6. Step 6: Final answer
   x = 83,871.81