Finding the Fourth Proportional to 134,144.16, 185,123.61 and 73,720.32

Step by Step Solution

1. Step 1: Write the proportion equation
   134,144.16 : 185,123.61 = 73,720.32 : x
2. Step 2: Convert to fraction form
   134,144.16/185,123.61 = 73,720.32/x
3. Step 3: Cross multiply
   134,144.16x = 185,123.61 × 73,720.32
4. Step 4: Simplify right side
   134,144.16x = 13,647,371,768.76
5. Step 5: Solve for x
   x = 13,647,371,768.76/134,144.16
6. Step 6: Final answer
   x = 101,736.61