Finding the Fourth Proportional to 142,876.34, 196,719.45 and 108,775.34

Step by Step Solution

1. Step 1: Write the proportion equation
   142,876.34 : 196,719.45 = 108,775.34 : x
2. Step 2: Convert to fraction form
   142,876.34/196,719.45 = 108,775.34/x
3. Step 3: Cross multiply
   142,876.34x = 196,719.45 × 108,775.34
4. Step 4: Simplify right side
   142,876.34x = 21,398,225,058.36
5. Step 5: Solve for x
   x = 21,398,225,058.36/142,876.34
6. Step 6: Final answer
   x = 149,767.45