Finding the Fourth Proportional to 174,016.10, 260,635.35 and 142,912.10

Step by Step Solution

1. Step 1: Write the proportion equation
   174,016.10 : 260,635.35 = 142,912.10 : x
2. Step 2: Convert to fraction form
   174,016.10/260,635.35 = 142,912.10/x
3. Step 3: Cross multiply
   174,016.10x = 260,635.35 × 142,912.10
4. Step 4: Simplify right side
   174,016.10x = 37,247,945,202.74
5. Step 5: Solve for x
   x = 37,247,945,202.74/174,016.10
6. Step 6: Final answer
   x = 214,048.84