Finding the Fourth Proportional to 144,513.52, 216,489.72 and 106,493.72

Step by Step Solution

1. Step 1: Write the proportion equation
   144,513.52 : 216,489.72 = 106,493.72 : x
2. Step 2: Convert to fraction form
   144,513.52/216,489.72 = 106,493.72/x
3. Step 3: Cross multiply
   144,513.52x = 216,489.72 × 106,493.72
4. Step 4: Simplify right side
   144,513.52x = 23,054,795,624.56
5. Step 5: Solve for x
   x = 23,054,795,624.56/144,513.52
6. Step 6: Final answer
   x = 159,533.83