Finding the Fourth Proportional to 101,013.37, 139,414.89 and 60,767.81

Step by Step Solution

1. Step 1: Write the proportion equation
   101,013.37 : 139,414.89 = 60,767.81 : x
2. Step 2: Convert to fraction form
   101,013.37/139,414.89 = 60,767.81/x
3. Step 3: Cross multiply
   101,013.37x = 139,414.89 × 60,767.81
4. Step 4: Simplify right side
   101,013.37x = 8,471,937,600.30
5. Step 5: Solve for x
   x = 8,471,937,600.30/101,013.37
6. Step 6: Final answer
   x = 83,869.47