Finding the Fourth Proportional to 144,870.48, 217,260.72 and 69,944.04

Step by Step Solution

1. Step 1: Write the proportion equation
   144,870.48 : 217,260.72 = 69,944.04 : x
2. Step 2: Convert to fraction form
   144,870.48/217,260.72 = 69,944.04/x
3. Step 3: Cross multiply
   144,870.48x = 217,260.72 × 69,944.04
4. Step 4: Simplify right side
   144,870.48x = 15,196,092,490.11
5. Step 5: Solve for x
   x = 15,196,092,490.11/144,870.48
6. Step 6: Final answer
   x = 104,894.33