Finding the Fourth Proportional to 142,354.24, 195,882.24 and 138,025.60

Step by Step Solution

1. Step 1: Write the proportion equation
   142,354.24 : 195,882.24 = 138,025.60 : x
2. Step 2: Convert to fraction form
   142,354.24/195,882.24 = 138,025.60/x
3. Step 3: Cross multiply
   142,354.24x = 195,882.24 × 138,025.60
4. Step 4: Simplify right side
   142,354.24x = 27,036,763,705.34
5. Step 5: Solve for x
   x = 27,036,763,705.34/142,354.24
6. Step 6: Final answer
   x = 189,925.95