Finding the Fourth Proportional to 142,605.37, 196,797.73 and 78,073.52

Step by Step Solution

1. Step 1: Write the proportion equation
   142,605.37 : 196,797.73 = 78,073.52 : x
2. Step 2: Convert to fraction form
   142,605.37/196,797.73 = 78,073.52/x
3. Step 3: Cross multiply
   142,605.37x = 196,797.73 × 78,073.52
4. Step 4: Simplify right side
   142,605.37x = 15,364,691,507.09
5. Step 5: Solve for x
   x = 15,364,691,507.09/142,605.37
6. Step 6: Final answer
   x = 107,742.73