Finding the Fourth Proportional to 142,737.39, 214,047.77 and 49,221.27

Step by Step Solution

1. Step 1: Write the proportion equation
   142,737.39 : 214,047.77 = 49,221.27 : x
2. Step 2: Convert to fraction form
   142,737.39/214,047.77 = 49,221.27/x
3. Step 3: Cross multiply
   142,737.39x = 214,047.77 × 49,221.27
4. Step 4: Simplify right side
   142,737.39x = 10,535,702,833.96
5. Step 5: Solve for x
   x = 10,535,702,833.96/142,737.39
6. Step 6: Final answer
   x = 73,811.79