Finding the Fourth Proportional to 101,448.52, 139,801.62 and 73,100.68

Step by Step Solution

1. Step 1: Write the proportion equation
   101,448.52 : 139,801.62 = 73,100.68 : x
2. Step 2: Convert to fraction form
   101,448.52/139,801.62 = 73,100.68/x
3. Step 3: Cross multiply
   101,448.52x = 139,801.62 × 73,100.68
4. Step 4: Simplify right side
   101,448.52x = 10,219,593,487.10
5. Step 5: Solve for x
   x = 10,219,593,487.10/101,448.52
6. Step 6: Final answer
   x = 100,736.74