Finding the Fourth Proportional to 144,025.10, 215,864.85 and 73,868.30

Step by Step Solution

1. Step 1: Write the proportion equation
   144,025.10 : 215,864.85 = 73,868.30 : x
2. Step 2: Convert to fraction form
   144,025.10/215,864.85 = 73,868.30/x
3. Step 3: Cross multiply
   144,025.10x = 215,864.85 × 73,868.30
4. Step 4: Simplify right side
   144,025.10x = 15,945,569,499.26
5. Step 5: Solve for x
   x = 15,945,569,499.26/144,025.10
6. Step 6: Final answer
   x = 110,713.82