Finding the Fourth Proportional to 142,969.49, 214,304.59 and 48,166.91

Step by Step Solution

1. Step 1: Write the proportion equation
   142,969.49 : 214,304.59 = 48,166.91 : x
2. Step 2: Convert to fraction form
   142,969.49/214,304.59 = 48,166.91/x
3. Step 3: Cross multiply
   142,969.49x = 214,304.59 × 48,166.91
4. Step 4: Simplify right side
   142,969.49x = 10,322,389,571.19
5. Step 5: Solve for x
   x = 10,322,389,571.19/142,969.49
6. Step 6: Final answer
   x = 72,199.95