Finding the Fourth Proportional to 142,147.50, 213,222.33 and 48,654.06

Step by Step Solution

1. Step 1: Write the proportion equation
   142,147.50 : 213,222.33 = 48,654.06 : x
2. Step 2: Convert to fraction form
   142,147.50/213,222.33 = 48,654.06/x
3. Step 3: Cross multiply
   142,147.50x = 213,222.33 × 48,654.06
4. Step 4: Simplify right side
   142,147.50x = 10,374,132,037.16
5. Step 5: Solve for x
   x = 10,374,132,037.16/142,147.50
6. Step 6: Final answer
   x = 72,981.46