Finding the Fourth Proportional to 142,920.52, 214,229.58 and 48,060.34

Step by Step Solution

1. Step 1: Write the proportion equation
   142,920.52 : 214,229.58 = 48,060.34 : x
2. Step 2: Convert to fraction form
   142,920.52/214,229.58 = 48,060.34/x
3. Step 3: Cross multiply
   142,920.52x = 214,229.58 × 48,060.34
4. Step 4: Simplify right side
   142,920.52x = 10,295,946,452.86
5. Step 5: Solve for x
   x = 10,295,946,452.86/142,920.52
6. Step 6: Final answer
   x = 72,039.67