Finding the Fourth Proportional to 142,518.72, 196,436.15 and 108,052.04

Step by Step Solution

1. Step 1: Write the proportion equation
   142,518.72 : 196,436.15 = 108,052.04 : x
2. Step 2: Convert to fraction form
   142,518.72/196,436.15 = 108,052.04/x
3. Step 3: Cross multiply
   142,518.72x = 196,436.15 × 108,052.04
4. Step 4: Simplify right side
   142,518.72x = 21,225,326,688.08
5. Step 5: Solve for x
   x = 21,225,326,688.08/142,518.72
6. Step 6: Final answer
   x = 148,930.10