Finding the Fourth Proportional to 144,896.64, 217,404.81 and 63,802.05

Step by Step Solution

1. Step 1: Write the proportion equation
   144,896.64 : 217,404.81 = 63,802.05 : x
2. Step 2: Convert to fraction form
   144,896.64/217,404.81 = 63,802.05/x
3. Step 3: Cross multiply
   144,896.64x = 217,404.81 × 63,802.05
4. Step 4: Simplify right side
   144,896.64x = 13,870,872,557.86
5. Step 5: Solve for x
   x = 13,870,872,557.86/144,896.64
6. Step 6: Final answer
   x = 95,729.43