Finding the Fourth Proportional to 196,616.74, 294,626.31 and 144,061.06

Step by Step Solution

1. Step 1: Write the proportion equation
   196,616.74 : 294,626.31 = 144,061.06 : x
2. Step 2: Convert to fraction form
   196,616.74/294,626.31 = 144,061.06/x
3. Step 3: Cross multiply
   196,616.74x = 294,626.31 × 144,061.06
4. Step 4: Simplify right side
   196,616.74x = 42,444,178,522.49
5. Step 5: Solve for x
   x = 42,444,178,522.49/196,616.74
6. Step 6: Final answer
   x = 215,872.66