Finding the Fourth Proportional to 95,145.36, 142,455.60 and 71,700.72

Step by Step Solution

1. Step 1: Write the proportion equation
   95,145.36 : 142,455.60 = 71,700.72 : x
2. Step 2: Convert to fraction form
   95,145.36/142,455.60 = 71,700.72/x
3. Step 3: Cross multiply
   95,145.36x = 142,455.60 × 71,700.72
4. Step 4: Simplify right side
   95,145.36x = 10,214,169,088.03
5. Step 5: Solve for x
   x = 10,214,169,088.03/95,145.36
6. Step 6: Final answer
   x = 107,353.31