Finding the Fourth Proportional to 101,144.54, 139,631.94 and 73,890.04

Step by Step Solution

1. Step 1: Write the proportion equation
   101,144.54 : 139,631.94 = 73,890.04 : x
2. Step 2: Convert to fraction form
   101,144.54/139,631.94 = 73,890.04/x
3. Step 3: Cross multiply
   101,144.54x = 139,631.94 × 73,890.04
4. Step 4: Simplify right side
   101,144.54x = 10,317,409,631.88
5. Step 5: Solve for x
   x = 10,317,409,631.88/101,144.54
6. Step 6: Final answer
   x = 102,006.59