Finding the Fourth Proportional to 142,530.64, 196,531.32 and 106,605.52

Step by Step Solution

1. Step 1: Write the proportion equation
   142,530.64 : 196,531.32 = 106,605.52 : x
2. Step 2: Convert to fraction form
   142,530.64/196,531.32 = 106,605.52/x
3. Step 3: Cross multiply
   142,530.64x = 196,531.32 × 106,605.52
4. Step 4: Simplify right side
   142,530.64x = 20,951,323,564.89
5. Step 5: Solve for x
   x = 20,951,323,564.89/142,530.64
6. Step 6: Final answer
   x = 146,995.23