Finding the Fourth Proportional to 101,123.16, 139,465.98 and 75,928.92

Step by Step Solution

1. Step 1: Write the proportion equation
   101,123.16 : 139,465.98 = 75,928.92 : x
2. Step 2: Convert to fraction form
   101,123.16/139,465.98 = 75,928.92/x
3. Step 3: Cross multiply
   101,123.16x = 139,465.98 × 75,928.92
4. Step 4: Simplify right side
   101,123.16x = 10,589,501,238.14
5. Step 5: Solve for x
   x = 10,589,501,238.14/101,123.16
6. Step 6: Final answer
   x = 104,718.85