Finding the Fourth Proportional to 142,734.24, 214,429.50 and 100,711.08

Step by Step Solution

1. Step 1: Write the proportion equation
   142,734.24 : 214,429.50 = 100,711.08 : x
2. Step 2: Convert to fraction form
   142,734.24/214,429.50 = 100,711.08/x
3. Step 3: Cross multiply
   142,734.24x = 214,429.50 × 100,711.08
4. Step 4: Simplify right side
   142,734.24x = 21,595,426,528.86
5. Step 5: Solve for x
   x = 21,595,426,528.86/142,734.24
6. Step 6: Final answer
   x = 151,298.15