Finding the Fourth Proportional to 144,196.06, 215,868.11 and 106,505.86

Step by Step Solution

1. Step 1: Write the proportion equation
   144,196.06 : 215,868.11 = 106,505.86 : x
2. Step 2: Convert to fraction form
   144,196.06/215,868.11 = 106,505.86/x
3. Step 3: Cross multiply
   144,196.06x = 215,868.11 × 106,505.86
4. Step 4: Simplify right side
   144,196.06x = 22,991,217,622.78
5. Step 5: Solve for x
   x = 22,991,217,622.78/144,196.06
6. Step 6: Final answer
   x = 159,444.15