Finding the Fourth Proportional to 142,917.01, 196,730.47 and 123,527.10

Step by Step Solution

1. Step 1: Write the proportion equation
   142,917.01 : 196,730.47 = 123,527.10 : x
2. Step 2: Convert to fraction form
   142,917.01/196,730.47 = 123,527.10/x
3. Step 3: Cross multiply
   142,917.01x = 196,730.47 × 123,527.10
4. Step 4: Simplify right side
   142,917.01x = 24,301,544,440.74
5. Step 5: Solve for x
   x = 24,301,544,440.74/142,917.01
6. Step 6: Final answer
   x = 170,039.55