Finding the Fourth Proportional to 142,822.95, 196,646.16 and 108,722.15

Step by Step Solution

1. Step 1: Write the proportion equation
   142,822.95 : 196,646.16 = 108,722.15 : x
2. Step 2: Convert to fraction form
   142,822.95/196,646.16 = 108,722.15/x
3. Step 3: Cross multiply
   142,822.95x = 196,646.16 × 108,722.15
4. Step 4: Simplify right side
   142,822.95x = 21,379,792,549.00
5. Step 5: Solve for x
   x = 21,379,792,549.00/142,822.95
6. Step 6: Final answer
   x = 149,694.38